Cross reference
Proverbs 20:14
14 "It's no good, it's no good," says the buyer; But when he is gone his way, then he boasts.
Ecclesiastes 1:10
10 Is there a thing of which it may be said, "Behold, this is new?" It has been long ago, in the ages which were before us.
Hosea 12:7-8
7 A merchant has dishonest scales in his hand. He loves to defraud.
8 Ephraim said, "Surely I have become rich, I have found myself wealth. In all my wealth they won't find in me any iniquity that is sin."
1 Thessalonians 4:6
6 that no one should take advantage of and wrong a brother or sister in this matter; because the Lord is an avenger in all these things, as also we forewarned you and testified.