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 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?

1 Kings 22:14

And Micaiah said, By the living Lord, whatever the Lord says to me I will say.

2 Chronicles 18:13

And Micaiah said, By the living Lord, whatever the Lord says to me I will say.

Numbers 23:26

But Balaam in answer said to Balak, Did I not say to you, I may only do what the Lord says?

Numbers 22:38

Then Balaam said to Balak, Now I have come to you; but have I power to say anything? Only what God puts into my mouth may I say.

Daniel 5:17

Then Daniel made answer and said to the king, Keep your offerings for yourself, and give your rewards to another; but I, after reading the writing to the king, will give him the sense of it.

Acts 8:20

But Peter said, May your money come to destruction with you, because you had the idea that what is freely given by God may be got for a price.

Titus 1:16

They say that they have knowledge of God, while by their acts they are turning their backs on him; they are hated by all, hard-hearted, and judged to be without value for any good work.

Treasury of Scripture Knowledge

Summary

And Balaam answered and said unto the servants of Balak, If Balak would give me his house full of silver and gold, I cannot go beyond the word of the LORD my God, to do less or more.

Bible References

If balak

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?
Titus 1:16
They say that they have knowledge of God, while by their acts they are turning their backs on him; they are hated by all, hard-hearted, and judged to be without value for any good work.

General references

Numbers 23:26
But Balaam in answer said to Balak, Did I not say to you, I may only do what the Lord says?
Numbers 24:12
Then Balaam said to Balak, Did I not say to the men you sent to me,
Joshua 24:10
But I did not give ear to Balaam; and so he went on blessing you; and I kept you safe from him.

Basic English, produced by Mr C. K. Ogden of the Orthological Institute - public domain