Thou shalt have no other gods before me. Exodus 20:3
Thou shalt not commit adultery. Exodus 20:14 (& Deuteronomy 5:18)
Marriage is honourable in all, and the bed undefiled: but whoremongers and adulterers God will judge. Hebrews 13:4
Physical Adultery / Fornication — Lust for another
Adultery, fornication and forbidden sexual behaviors are lusts for something that is restricted or wrong, or planned rebellious actions (indulge unlawful lust). The three possible meanings for fornicate or fornication translated from the Hebrew word "zanah3" are: 1) pre-marital, illicit sex, 2) marital, illicit sex, and 3) idolatry (the worship of a person, object or concept in place of the Creator). The New Testament Greek word "porneia4," translated fornicate or fornication, conveys many different sexual behaviors based upon the context ranging from adultery, fornication, harlotry, incest, pedophilia, bestiality or lewdness to any other sexual restriction that the Creator has placed upon mankind to obey.
God does not act this way, nor should we who are made in his image! (Genesis 1:26-27) Nor will he reward us in eternity with the unending fulfilment of lusts, as Islam claims5, but with fellowship with Himself, with other faithful people and fruitful work for eternity.6, 7
Exodus 20:17 Thou shalt not covet thy neighbour's house, thou shalt not covet thy neighbour's wife, nor his manservant, nor his maidservant, nor his ox, nor his ass, nor any thing that is thy neighbour's.
Deuteronomy 5:21 Neither shalt thou desire thy neighbour's wife, neither shalt thou covet thy neighbour's house, his field, or his manservant, or his maidservant, his ox, or his ass, or any thing that is thy neighbour's.
Deuteronomy 22:22 If a man be found lying with a woman married to an husband, then they shall both of them die, both the man that lay with the woman, and the woman: so shalt thou put away evil from Israel.
Leviticus 18:20-23 Moreover thou shalt not lie carnally with thy neighbour's wife, to defile thyself with her. 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.
Leviticus 20:10 And the man that committeth adultery with another man's wife, even he that committeth adultery with his neighbour's wife, the adulterer and the adulteress shall surely be put to death.
Job 24:15 The eye also of the adulterer waiteth for the twilight, saying, No eye shall see me: and disguiseth his face.
Proverbs 6:32 But whoso committeth adultery with a woman lacketh understanding: he that doeth it destroyeth his own soul.
Proverbs 30:20 Such is the way of an adulterous woman; she eateth, and wipeth her mouth, and saith, I have done no wickedness.
Romans 7:2-3 For the woman which hath an husband is bound by the law to her husband so long as he liveth; but if the husband be dead, she is loosed from the law of her husband. So then if, while her husband liveth, she be married to another man, she shall be called an adulteress: but if her husband be dead, she is free from that law; so that she is no adulteress, though she be married to another man.
Incest & near relatives forbidden:
Leviticus 20:19 And thou shalt not uncover the nakedness of thy mother's sister (aunt), nor of thy father's sister (aunt): for he uncovereth his near kin: they shall bear their iniquity.
Leviticus 20:20 And if a man shall lie with his uncle's wife, he hath uncovered his uncle's nakedness: they shall bear their sin; they shall die childless.
Leviticus 20:21 And if a man shall take his brother's wife, it is an unclean thing: he hath uncovered his brother's nakedness; they shall be childless.
Son's wife forbidden:
A wife and her mother are forbidden:
Deuteronomy 22:25 But if a man find a betrothed damsel in the field, and the man force her, and lie with her: then the man only that lay with her shall die.
Deuteronomy 22:28-29 If a man find a damsel that is a virgin, which is not betrothed, and lay hold on her (seduces her heart), and lie with her (consensually), and they be found; Then the man that lay with her shall give unto the damsel's father fifty shekels of silver, and she shall be his wife; because he hath humbled her, he may not put her away all his days.
and see: 2 Samuel 13:1-29
Homosexuality (sodomy, lesbianism) forbidden:
Leviticus 20:13 If a man also lie with mankind, as he lieth with a woman, both of them have committed an abomination: they shall surely be put to death; their blood shall be upon them.
Deuteronomy 23:17 There shall be no whore of the daughters of Israel, nor a sodomite of the sons of Israel.
1 Kings 22:46 And the remnant of the sodomites, which remained in the days of his father Asa, he (King Jehoshaphat) took out of the land.
Leviticus 21:6-8 They (Aaronic Priests) shall be holy unto their God, and not profane the name of their God: for the offerings of the Lord made by fire, and the bread of their God, they do offer: therefore they shall be holy. They shall not take a wife that is a whore, or profane; neither shall they take a woman put away from her husband: for he is holy unto his God. Thou shalt sanctify him therefore; for he offereth the bread of thy God: he shall be holy unto thee: for I the Lord, which sanctify you, am holy.
My son, keep thy father's commandment, and forsake not the law of thy mother: Bind them continually upon thine heart, and tie them about thy neck. When thou goest, it shall lead thee; when thou sleepest, it shall keep thee; and when thou awakest, it shall talk with thee. For the commandment is a lamp; and the law is light; and reproofs of instruction are the way of life: To keep thee from the evil woman, from the flattery of the tongue of a strange woman. Lust not after her beauty in thine heart; neither let her take thee with her eyelids. For by means of a whorish woman a man is brought to a piece of bread: and the adultress will hunt for the precious life. Can a man take fire in his bosom, and his clothes not be burned? Can one go upon hot coals, and his feet not be burned? So he that goeth in to his neighbour's wife; whosoever toucheth her shall not be innocent. Proverbs 6:20-29
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-Forsaking God, entering idolatry-