Therefore let us keep the feast, not with old leaven, neither with the leaven of malice and wickedness; but with the unleavened [bread] of sincerity and truth.
Berean Study Bible (BSB) - 1 Corinthians 5:8 >Therefore let us keep the feast, not with the old bread, leavened with malice and wickedness, but with the unleavened bread of sincerity and of truth.
Textus Receptus (TR) - 1 Corinthians 5:8 >ὥστε ἑορτάζωμεν, μὴ ἐν ζύμῃ παλαιᾷ, μηδὲ ἐν ζύμῃ κακίας καὶ πονηρίας, ἀλλ᾿ ἐν ἀζύμοις εἰλικρινείας καὶ ἀληθείας.