He brought him forth abroad, &c.— This was done most probably towards the decline of the night, for reasons we shall presently assign: but the reader is desired to take notice, that there is nothing here which can countenance the opinion of this being a visionary representation.
So shall thy seed be— i.e.. innumerable. This promise was fulfilled not only in the posterity of Isaac, but also of Ishmael, and the children of Abram's other wives, by whom Palestine and Arabia were inhabited.