They only heard the account: “The man who formerly persecuted us is now preaching the faith he once tried to destroy.”
Textus Receptus (TR) - Galatians 1:23 >μόνον δὲ ἀκούοντες ἦσαν ὅτι Ὁ διώκων ἡμᾶς ποτέ, νῦν εὐαγγελίζεται τὴν πίστιν ἥν ποτε ἐπόρθει.