Numbers 24:13
Even if Balak gave me his house full of silver and gold, it would not be possible for me to go outside the orders of the Lord, doing good or evil at the impulse of my mind; whatever the Lord says I will say?
Numbers 16:28
And Moses said, Now you will see that the Lord has sent me to do all these works, and I have not done them of myself.
Numbers 22:18
But Balaam, in answer; said to the servants of Balak, Even if Balak gave me his house full of silver and gold, it would not be possible for me to do anything more or less than the orders of the Lord my God.
Numbers 22:20
And that night God came to Balaam and said to him, If these men have come for you, go with them: but do only what I say to you.