Numbers 22:11

Behold, there is a people come out of Egypt
In this, and the following part of the verse, he faithfully and punctually relates the words of Balak to him by his messengers, as well knowing he could not deceive the omniscient God, or hide anything from him, though he could deceive men; and conceal the truth from them, to serve a purpose; (See Gill on Numbers 22:5) (See Gill on Numbers 22:6).