Whenever the Bible mentions marriage, it is between a male and a female. The first mention of marriage, Genesis 2:21 And the LORD God caused a deep sleep to fall upon Adam and he slept: and he took one of his ribs, and closed up the flesh instead thereof;
22 And the rib, which the LORD God had taken from man, made he a woman, and brought her unto the man.
23 And Adam said, This is now bone of my bones, and flesh of my flesh: she shall be called Woman, because she was taken out of Man.
24 Therefore shall a man leave his father and his mother, and shall cleave unto his wife: and they shall be one flesh.
25 And they were both naked, the man and his wife, and were not ashamed. describes it as a man leaving his parents and being united to his wife. In passages that contain instructions regarding marriage, such as 1 Corinthians 7:2-16
and Ephesians 5:3 For the husband is the head of the wife, even as Christ is the head of the church: and he is the saviour of the body.
24 Therefore as the church is subject unto Christ, so let the wives be to their own husbands in every thing.
25 Husbands, love your wives, even as Christ also loved the church, and gave himself for it;
26 That he might sanctify and cleanse it with the washing of water by the word,
27 That he might present it to himself a glorious church, not having spot, or wrinkle, or any such thing; but that it should be holy and without blemish.
28 So ought men to love their wives as their own bodies. He that loveth his wife loveth himself.
29 For no man ever yet hated his own flesh; but nourisheth and cherisheth it, even as the Lord the church:
30 For we are members of his body, of his flesh, and of his bones.
31 For this cause shall a man leave his father and mother, and shall be joined unto his wife, and they two shall be one flesh.
32 This is a great mystery: but I speak concerning Christ and the church.
33 Nevertheless let every one of you in particular so love his wife even as himself; and the wife see that she reverence her husband.
and the Bible clearly identifies marriage as being between a man and a woman. Biblically speaking, marriage is the lifetime union of a man and a woman, primarily for the purpose of building a family and providing a stable environment for that family.
Divorce is clearly condemned in the Bible http://thenonconformer.wordpress.com/2009/01/02/divorce-and-remarriage-in-the-christian-church/
But so is gay sex. It is clear, however, that the Bible condemns homosexuality as an immoral and unnatural sin.
Leviticus 18:6 None of you shall approach to any that is near of kin to him, to uncover their nakedness: I am the LORD.
7 The nakedness of thy father, or the nakedness of thy mother, shalt thou not uncover: she is thy mother; thou shalt not uncover her nakedness.
8 The nakedness of thy father's wife shalt thou not uncover: it is thy father's nakedness.
9 The nakedness of thy sister, the daughter of thy father, or daughter of thy mother, whether she be born at home, or born abroad, even their nakedness thou shalt not uncover.
10 The nakedness of thy son's daughter, or of thy daughter's daughter, even their nakedness thou shalt not uncover: for theirs is thine own nakedness.
11 The nakedness of thy father's wife's daughter, begotten of thy father, she is thy sister, thou shalt not uncover her nakedness.
12 Thou shalt not uncover the nakedness of thy father's sister: she is thy father's near kinswoman.
13 Thou shalt not uncover the nakedness of thy mother's sister: for she is thy mother's near kinswoman.
14 Thou shalt not uncover the nakedness of thy father's brother, thou shalt not approach to his wife: she is thine aunt.
15 Thou shalt not uncover the nakedness of thy daughter in law: she is thy son's wife; thou shalt not uncover her nakedness.
16 Thou shalt not uncover the nakedness of thy brother's wife: it is thy brother's nakedness.
17 Thou shalt not uncover the nakedness of a woman and her daughter, neither shalt thou take her son's daughter, or her daughter's daughter, to uncover her nakedness; for they are her near kinswomen: it is wickedness.
18 Neither shalt thou take a wife to her sister, to vex her, to uncover her nakedness, beside the other in her life time.
19 Also thou shalt not approach unto a woman to uncover her nakedness, as long as she is put apart for her uncleanness.
20 Moreover thou shalt not lie carnally with thy neighbour's wife, to defile thyself with her.
21 And thou shalt not let any of thy seed pass through the fire to Molech, neither shalt thou profane the name of thy God: I am the LORD.
22 Thou shalt not lie with mankind, as with womankind: it is abomination.
23 Neither shalt thou lie with any beast to defile thyself therewith: neither shall any woman stand before a beast to lie down thereto: it is confusion.
24 Defile not ye yourselves in any of these things: for in all these the nations are defiled which I cast out before you:
This passage above identifies homosexual sex as an abomination, a detestable sin.
Romans 1:18 For the wrath of God is revealed from heaven against all ungodliness and unrighteousness of men, who hold the truth in unrighteousness;
19 Because that which may be known of God is manifest in them; for God hath shewed it unto them.
20 For the invisible things of him from the creation of the world are clearly seen, being understood by the things that are made, even his eternal power and Godhead; so that they are without excuse:
21 Because that, when they knew God, they glorified him not as God, neither were thankful; but became vain in their imaginations, and their foolish heart was darkened.
22 Professing themselves to be wise, they became fools,
23 And changed the glory of the uncorruptible God into an image made like to corruptible man, and to birds, and fourfooted beasts, and creeping things.
24 Wherefore God also gave them up to uncleanness through the lusts of their own hearts, to dishonour their own bodies between themselves:
25 Who changed the truth of God into a lie, and worshipped and served the creature more than the Creator, who is blessed for ever. Amen.
26 For this cause God gave them up unto vile affections: for even their women did change the natural use into that which is against nature:
27 And likewise also the men, leaving the natural use of the woman, burned in their lust one toward another; men with men working that which is unseemly, and receiving in themselves that recompence of their error which was meet.
28 And even as they did not like to retain God in their knowledge, God gave them over to a reprobate mind, to do those things which are not convenient;
29 Being filled with all unrighteousness, fornication, wickedness, covetousness, maliciousness; full of envy, murder, debate, deceit, malignity; whisperers,
30 Backbiters, haters of God, despiteful, proud, boasters, inventors of evil things, disobedient to parents,
31 Without understanding, covenantbreakers, without natural affection, implacable, unmerciful:
32 Who knowing the judgment of God, that they which commit such things are worthy of death, not only do the same, but have pleasure in them that do them.
The above passage clearly states, declares homosexual desires and actions to be shameful, unnatural, lustful, and indecent.
First Corinthians 6:9 states Know ye not that the unrighteous shall not inherit the kingdom of God? Be not deceived: neither fornicators, nor idolaters, nor adulterers, nor effeminate, nor abusers of themselves with mankind,
10 Nor thieves, nor covetous, nor drunkards, nor revilers, nor extortioners, shall inherit the kingdom of God states that homosexuals are unrighteous and will not inherit the kingdom of God.
Since both homosexual desires and actions are condemned in the Bible, it is clear that homosexuals “marrying” is not God’s will, and would be, in fact, sinful.
History itself now also argues against gay marriage. The Christian church has rightfully opposed gay marriages the last 2000 years even. And all anti Gay writings, posters are undeniably Godly, from God, Biblical too, cause Gays are trying to destroy real family life
To give sanction to gay marriage/same-sex marriage would be to give approval to the homosexual lifestyle, which the Bible clearly and consistently condemns as sinful.
Gays are knowingly denying the undeniable truths. The truth is known because God has made it plain. The truth is rejected and replaced with a lie. The lie is then promoted and the truth suppressed and attacked. The vehemence and anger expressed by many in the gay rights movement to any who oppose them is, in fact, an indication that they know their position is indefensible. Trying to overcome a weak position by raising your voice is the oldest trick in the debating book. There is perhaps no more accurate description of the modern gay rights agenda than Romans 1:31, “they are senseless, faithless, heartless, ruthless.”
According to the Bible, marriage is ordained by God to be between a man and a woman (Genesis 2:21-24; Matthew 19:4-6). Both Divorce and Gay marriage/same-sex marriage is a perversion of the institution of marriage and an offense to the God who created marriage.
Malachi 2:16 For the LORD, the God of Israel, saith that he hateth putting away: for one covereth violence with his garment, saith the LORD of hosts: therefore take heed to your spirit, that ye deal not treacherously.
Read more: http://www.gotquestions.org/gay-marriage.html#ixzz2LpVe9Hnv
Homosexuality is clearly condemned in the Bible. But, it also goes against the created order of God who made Adam, a man, and Eve, a woman -- not two men, not two women -- to carry out his command to fill and subdue the earth (Gen. 1:28). Homosexuality cannot carry out that command. It is, therefore, a contradiction to God's stated desire in the created order.