You shall not follow a crowd to do evil; nor shall you testify in a dispute so as to turn aside after many to pervert justice.
Exodus 23:2
Surrounding context
23:1 "You shall not circulate a false report. Do not put your hand with the wicked to be an unrighteous witness.
23:2 You shall not follow a crowd to do evil; nor shall you testify in a dispute so as to turn aside after many to pervert justice.
23:3 You shall not show partiality to a poor man in his dispute.