'Speak' in the Bible

For he has not subjected to angels the habitable world which is to come, of which we speak;

But we are persuaded concerning you, beloved, better things, and connected with salvation, even if we speak thus.

and, so to speak, through Abraham, Levi also, who received tithes, has been made to pay tithes.

and above over it the cherubim of glory shadowing the mercy-seat; concerning which it is not now the time to speak in detail.