Proverbs 28:11 in the World English Bible
The rich man is wise in his own eyes; but the poor who has understanding sees through him.
Context
10 Whoso causeth the righteous to go astray in an evil way, he shall fall himself into his own pit: but the upright shall have good things in possession.
11 The rich man is wise in his own conceit; but the poor that hath understanding searcheth him out.
12 When righteous men do rejoice, there is great glory: but when the wicked rise, a man is hidden.