Some translations set off the quoted words as a block in verse 24.

The LORD appeared to him the same night: for appeared see Gen 26.2. The same night means the night Isaac arrived in Beersheba.

I am the God of Abraham your father: see 15.7, in which God appeared to Abraham saying “I am the LORD who….”

Fear not: these are the same words spoken to Abraham in 15.1. For the words of the promise, see verses 3-5.

My servant Abraham’s sake: see the parallel expression in 12.16.

Quoted with permission from Reyburn, William D. and Fry, Euan McG. A Handbook on Genesis. (UBS Helps for Translators). New York: UBS, 1997. For this and other handbooks for translators see here .