Genesis 18:30 in the King James Version
And he said unto him, Oh let not the Lord be angry, and I will speak: Peradventure there shall thirty be found there. And he said, I will not do it, if I find thirty there.
Context
29 He spoke to him yet again, and said, “What if there are forty found there?” He said, “I will not do it for the forty’s sake.”
30 He said, “Oh don’t let the Lord be angry, and I will speak. What if there are thirty found there?” He said, “I will not do it if I find thirty there.”
31 He said, “See now, I have taken it on myself to speak to the Lord. What if there are twenty found there?” He said, “I will not destroy it for the twenty’s sake.”