NATURAL VERSUS DIVINE LAW was my subject a few days ago. I didn't have citations, but here are some from the Revised Standard Version.

Romans 1: 18 For the wrath of God is revealed from heaven against all ungodliness and wickedness of men who by their wickedness suppress the truth.
19 For what can be known about God is plain to them, because God has shown it to them.
20 Ever since the creation of the world his invisible nature, namely, his eternal power and deity, has been clearly perceived in the things that have been made. So they are without excuse;
21 for although they knew God they did not honor him as God or give thanks to him, but they became futile in their thinking and their senseless minds were darkened
22 Claiming to be wise, they became fools,
23 and exchanged the glory of the immortal God for images resembling mortal man or birds or animals or reptiles.
24 Therefore God gave them up in the lusts of their hearts to impurity, to the dishonoring of their bodies among themselves,
25 because they exchanged the truth about God for a lie and worshiped and served the creature rather than the Creator, who is blessed for ever! Amen.
26 For this reason God gave them up to dishonorable passions. Their women exchanged natural relations for unnatural,
27 and the men likewise gave up natural relations with women and were consumed with passion for one another, men committing shameless acts with men and receiving in their own persons the due penalty for their error.
28 And since they did not see fit to acknowledge God, God gave them up to a base mind and to improper conduct.
29 They were filled with all manner of wickedness, evil, covetousness, malice. Full of envy, murder, strife, deceit, malignity, they are gossips,
30 slanderers, haters of God, insolent, haughty, boastful, inventors of evil, disobedient to parents,
31 foolish, faithless, heartless, ruthless.
32 Though they know God's decree that those who do such things deserve to die, they not only do them but approve those who practice them.

Matthew 5: 43 "You have heard that it was said, `You shall love your neighbor and hate your enemy.'
44 But I say to you, Love your enemies and pray for those who persecute you,
45 so that you may be sons of your Father who is in heaven; for he makes his sun rise on the evil and on the good, and sends rain on the just and on the unjust.
46 For if you love those who love you, what reward have you? Do not even the tax collectors do the same?
47 And if you salute only your brethren, what more are you doing than others? Do not even the Gentiles do the same?
48 You, therefore, must be perfect, as your heavenly Father is perfect.

Romans 5: 31 "It was also said, `Whoever divorces his wife, let him give her a certificate of divorce.'
32 But I say to you that every one who divorces his wife, except on the ground of unchastity, makes her an adulteress; and whoever marries a divorced woman commits adultery.

Luke 16: 18 "Every one who divorces his wife and marries another commits adultery, and he who marries a woman divorced from her husband commits adultery.

Matthew 19: 7 They said to him, "Why then did Moses command one to give a certificate of divorce, and to put her away?"
8 He said to them, "For your hardness of heart Moses allowed you to divorce your wives, but from the beginning it was not so.
9 And I say to you: whoever divorces his wife, except for unchastity, and marries another, commits adultery."
10 The disciples said to him, "If such is the case of a man with his wife, it is not expedient to marry."

I Corinthians 11: 14 Does not nature itself teach you that for a man to wear long hair is degrading to him,
15 but if a woman has long hair, it is her pride? For her hair is given to her for a covering.

Leviticus 11: 2 "Say to the people of Israel, These are the living things which you may eat among all the beasts that are on the earth.
3 Whatever parts the hoof and is cloven-footed and chews the cud, among the animals, you may eat.

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