Numbers 24:13
'If Balak would give me his house full of silver and gold, I can't go beyond the word of the LORD, to do either good or bad of my own mind. I will say what the LORD says'?
Numbers 16:28
Moses said, "Hereby you shall know that the LORD has sent me to do all these works; for they are not from my own mind.
Numbers 22:18
Balaam answered the servants of Balak, "If Balak would give me his house full of silver and gold, I can't go beyond the word of the LORD my God, to do less or more.
Numbers 22:20
God came to Balaam at night, and said to him, "If the men have come to call you, rise up, go with them; but only the word which I speak to you, that you shall do."