Deuteronomy 32:5

“They have corrupted themselves, their spot is not the spot of his children: they are a perverse and crooked generation.”

2 Samuel 22:27

“With the pure thou wilt shew thyself pure; and with the froward thou wilt shew thyself unsavoury.”

Psalms 101:4

“A froward heart shall depart from me: I will not know a wicked person.”

Proverbs 2:15

“Whose ways are crooked, and they froward in their paths:”

Proverbs 11:20

“They that are of a froward heart are abomination to the Lord: but such as are upright in their way are his delight.”