Genesis 18:18

18 and Abraham certainly becometh a nation great and mighty, and blessed in him have been all nations of the earth?

Genesis 18:18 Meaning and Commentary

Genesis 18:18

Seeing that Abraham shall surely become a great and mighty
nation
Which was fulfilled in the nation of Israel, so called, not so much for the largeness of the place they dwelt in, and the number of its inhabitants, as for the law of God that was given them, and the worship of God kept up among them; on account of which there was no nation so great, ( Deuteronomy 4:8 ) ; and all the nations of the earth shall be blessed in him;
in his seed, the Messiah, in whom some of all nations are blessed with all spiritual blessings. Now, since God had promised, and would do such great things for him and his, he judged it right and proper not to hide from him what he was about to do at Sodom, and the rather, as he had a near relation that dwelt there.

Genesis 18:18 In-Context

16 And the men rise from thence, and look on the face of Sodom, and Abraham is going with them to send them away;
17 and Jehovah said, `Am I concealing from Abraham that which I am doing,
18 and Abraham certainly becometh a nation great and mighty, and blessed in him have been all nations of the earth?
19 for I have known him, that he commandeth his children, and his house after him (and they have kept the way of Jehovah), to do righteousness and judgment, that Jehovah may bring on Abraham that which He hath spoken concerning him.'
20 And Jehovah saith, `The cry of Sodom and Gomorrah -- because great; and their sin -- because exceeding grievous:
Young's Literal Translation is in the public domain.