Genesis 18:30

30 Then he said, “May the Lord not be angry, but let me speak. What if only thirty can be found there?” He answered, “I will not do it if I find thirty there.”

Read Genesis 18:30 Using Other Translations

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.
Then he said, "Oh let not the Lord be angry, and I will speak. Suppose thirty are found there." He answered, "I will not do it, if I find thirty there."
“Please don’t be angry, my Lord,” Abraham pleaded. “Let me speak—suppose only thirty righteous people are found?” And the LORD replied, “I will not destroy it if I find thirty.”

What does Genesis 18:30 mean?

John Gill's Exposition of the Bible
Genesis 18:30

And he said unto him, Oh, let not the Lord be angry, and I
will speak
He feared, through his importunity, he should be wearisome to him and incur his displeasure; this being often the case among men, especially when inferiors are soliciting their superiors, and, not content with one favour, are pressing for more:

Peradventure there shall thirty be found there;
the abatement is larger than before; he only made an abatement of five at a time, now ten at once, and so he proceeds;

and he said, I will not do [it], if I find thirty there;
not destroy the place for their sake.

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