Exodus 23:8

23:8 And thou shalt take no gift: for the gift blindeth the wise, and perverteth the words of the righteous.

Deuteronomy 16:18-19

16:18 Judges and officers shalt thou make thee in all thy gates, which the LORD thy God giveth thee, throughout thy tribes: and they shall judge the people with just judgment. 16:19 Thou shalt not wrest judgment; thou shalt not respect persons, neither take a gift: for a gift doth blind the eyes of the wise, and pervert the words of the righteous.

Isaiah 1:23

1:23 Thy princes [are] rebellious, and companions of thieves: every one loveth gifts, and followeth after rewards: they judge not the fatherless, neither doth the cause of the widow come unto them.

Isaiah 33:15

33:15 He that walketh righteously, and speaketh uprightly; he that despiseth the gain of oppressions, that shaketh his hands from holding of bribes, that stoppeth his ears from hearing of blood, and shutteth his eyes from seeing evil;

Micah 7:3

7:3 That they may do evil with both hands earnestly, the prince asketh, and the judge [asketh] for a reward; and the great [man], he uttereth his mischievous desire: so they wrap it up.