Philemon 1:19

19IἐγὼPaulΠαῦλοςdid writeἔγραψαwithτῇmy ownἐμῇhandχειρί,Iἐγὼwill repay [it]ἀποτίσω·thatἵναnotμὴI may sayλέγωto youσοιthatὅτιevenκαὶyourselfσεαυτόνto meμοιyou owe alsoπροσοφείλεις.

I, Paul, wrote with my own hand. I will repay [it], that I may not say to you that you also owe to me even yourself.