But God be thanked, that ye were the servants of sin, but ye have obeyed from the heart that form of doctrine which was delivered you.
Berean Study Bible (BSB) - Romans 6:17 >But thanks be to God that, though you once were slaves to sin, you wholeheartedly obeyed the form of teaching to which you were committed.
Textus Receptus (TR) - Romans 6:17 >Χάρις δὲ τῷ Θεῷ, ὅτι ἦτε δοῦλοι τῆς ἁμαρτίας, ὑπηκούσατε δὲ ἐκ καρδίας εἰς ὃν παρεδόθητε τύπον διδαχῆς·