Parallel
1 Corinthians 9:26
Patriarchal Greek New Testament (1904) · Berean Standard Bible
ἐγὼ τοίνυν οὕτω τρέχω, ὡς οὐκ ἀδήλως, οὕτω πυκτεύω, ὡς οὐκ ἀέρα δέρων,
Therefore I do not run aimlessly; I do not fight like I am beating the air.