Parallel
2 Timothy 2:5
CNTR Statistical Restoration · Berean Standard Bible
Ἐὰν δὲ καὶ ἀθλῇ τις, οὐ στεφανοῦται, ἐὰν μὴ νομίμως ἀθλήσῃ.
Likewise, a competitor does not receive the crown unless he competes according to the rules.