Genesis 18:18

18 seeing that Abraham had surely become a great and mighty nation, and all the nations of the earth shall be blessed in him?

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 rose up from thence, and looked toward Sodom: and Abraham went with them to bring them on the way.
17 And Jehovah said, Shall I hide from Abraham that which I do;
18 seeing that Abraham had surely become a great and mighty nation, and all the nations of the earth shall be blessed in him?
19 For I have known him, to the end that he may command his children and his household after him, that they may keep the way of Jehovah, to do righteousness and justice; to the end that Jehovah may bring upon Abraham that which he hath spoken of him.
20 And Jehovah said, Because the cry of Sodom and Gomorrah is great, and because their sin is very grievous;
The American Standard Version is in the public domain.