Paul warns against the leaven of false doctrine:
Related Commentaries of Galatians 5:5
Galatians 5:5-10
5 For we through the Spirit wait for the hope of righteousness by faith.
6 For in Jesus Christ neither circumcision availeth any thing, nor uncircumcision; but faith which worketh by love.
7 Ye did run well; who did hinder youa that ye should not obey the truth?
8 This persuasion cometh not of him that calleth you.
9 A little leaven leaveneth the whole lump.
10 I have confidence in you through the Lord, that ye will be none otherwise minded: but he that troubleth you shall bear his judgment, whosoever he be.