Numbers 23:4
"And God met Balaam: and he said unto him, I have prepared seven altars, and I have offered upon every altar a bullock and a ram."
Cross References (ranked by relevance)
And the LORD met Balaam, and put a word in his mouth, and said, Go again unto Balak, and say thus.
I fast twice in the week, I give tithes of all that I possess.
Not of works, lest any man should boast.
And Balaam said unto Balak, Build me here seven altars, and prepare me here seven oxen and seven rams.
Where is boasting then? It is excluded. By what law? of works? Nay: but by the law of faith.
And God came unto Balaam at night, and said unto him, If the men come to call thee, rise up, and go with them; but yet the word which I shall say unto thee, that shalt thou do.
Saying, These last have wrought but one hour, and thou hast made them equal unto us, which have borne the burden and heat of the day.
And God came unto Balaam, and said, What men are these with thee?
They shall put you out of the synagogues: yea, the time cometh, that whosoever killeth you will think that he doeth God service.