Not that we are sufficient of ourselves to think any thing as of ourselves; but our sufficiency [is] of God;
Berean Study Bible (BSB) - 2 Corinthians 3:5 >Not that we are competent in ourselves to claim that anything comes from us, but our competence comes from God.
Textus Receptus (TR) - 2 Corinthians 3:5 >οὐχ ὅτι ἱκανοί ἐσμεν ἀφ᾿ ἑαυτῶν λογίσασθαί τι ὡς ἐξ ἑαυτῶν, ἀλλ᾿ ἡ ἱκανότης ἡμῶν ἐκ τοῦ Θεοῦ·