Numbers 23:12 in the World English Bible
He answered and said, “Must I not take heed to speak that which the LORD puts in my mouth?”
Context
11 And Balak said unto Balaam, What hast thou done unto me? I took thee to curse mine enemies, and, behold, thou hast blessed them altogether.
12 And he answered and said, Must I not take heed to speak that which the LORD hath put in my mouth?
13 And Balak said unto him, Come, I pray thee, with me unto another place, from whence thou mayest see them: thou shalt see but the utmost part of them, and shalt not see them all: and curse me them from thence.