Parallel
1 Corinthians 5:6
Nestle 1904 Greek New Testament · Berean Standard Bible
Οὐ καλὸν τὸ καύχημα ὑμῶν οὐκ οἴδατε ὅτι μικρὰ ζύμη ὅλον τὸ φύραμα ζυμοῖ
Your boasting is not good. Do you not know that a little leaven works through the whole batch of dough?