come to the rock, he was distrustful, and doubted being able to draw water from the same, which still at the Lord’s command he opened without fail in copious streams. But how many and great miracles after these he did during eight and thirty years in the desert who can count or search out (Exod. 17; Num. 20)? As often as a doubtful matter had troubled his mind, he resorted to the tabernacle, and enquired of the Lord in secret, and was forthwith taught concerning it, God speaking to him (Exod. 33.