Numbers 24:13
If Balak gave me his house full of silver and gold, I could not go beyond the commandment of Jehovah to do good or bad out of my heart: what Jehovah shall say, that will I speak?
Numbers 16:28
And Moses said, Hereby ye shall know that Jehovah has sent me to do all these deeds, for they are not out of my own heart:
Numbers 22:18
And Balaam answered and said to the servants of Balak, If Balak give me his house full of silver and gold, I could not go beyond the commandment of Jehovah my God, to do less or more.
Numbers 22:20
Then God came to Balaam at night, and said to him, If the men have come to call thee, rise up, and go with them; but only what I shall say unto thee shalt thou do.