Hebrews 11:12

Hebrews 11:12. Therefore sprang there even of one, and him as good as dead, so many as the stars of the sky in multitude, and as the sand which is by the sea shore innumerable.

This is true, literally, of Abraham’s seed according to the flesh. It is also true in a spiritual sense, for he is "the father of all them that believe", and they are a multitude whom no man can number.