Deuteronomy 32:5 in the World English Bible
They have dealt corruptly with him. They are not his children, because of their defect. They are a perverse and crooked generation.
Context
4 He is the Rock, his work is perfect: for all his ways are judgment: a God of truth and without iniquity, just and right is he.
5 They have corrupted themselves, their spot is not the spot of his children: they are a perverse and crooked generation.
6 Do ye thus requite the LORD, O foolish people and unwise? is not he thy father that hath bought thee? hath he not made thee, and established thee?