ταὐτὰ λέγειν

From LSJ

λογισάμενος ὅτι καὶ ἐκ νεκρῶν ἐγεῖραι δυνατὸς ὁ Θεός → in the belief that God was able to raise him up from the dead

Source

Greek > English (Woodhouse)

be consistent, repeat oneself