John saith no more than that he departed himself into a mountain alone. Matthew and Mark say it was to pray. From whence (as from others places of holy writ) the duty of secret prayer is commended to us by the great example of our Saviour: he chooseth the mountain for it, as a place of greatest privacy and solitude.
And when the evening was come: this confirmeth the former notion, that the Jews had two evenings. They called that part of the day after the sun had began to decline the evening, which was the evening before spoken of, interpreted by the other evangelists, when the day was well spent; and the twilight, which is here called the evening, and which is the time which we most usually call by that name.