καὶ πληροφορηθεὶς ὅτι ὃ ἐπήγγελται, δυνατός ἐστιν καὶ ποιῆσαι.
And being fully persuaded that, what he had promised, he was able also to perform.
plenamente convencido de que Dios tenía poder para cumplir lo que había prometido.