And the Lord said unto Moses, rise up early in the morning,.... Of the day following, the twenty eight of Adar, or February, according to Bishop Usher; this was the fittest time to meet with Pharaoh, and the most likely to make impressions on him: and stand before Pharaoh: meet him as he comes along, and stop him, and stand before him as having something to say to him; this was using great boldness and freedom with a king; but as Moses was ordered to do it by the King of kings, it became him to obey him: lo, he cometh forth to the water; See Gill on Exo 7:15. and say unto him, thus saith the Lord, let my people go, that they may serve me; which had often been required before, but to no purpose, and in case of refusal he is threatened as follows.