Then Abraham fell upon his face, and laughed, and said in his heart, Shall [a child] be born unto him that is an hundred years old? and shall Sarah, that is ninety years old, bear?
Ver. 17. Abraham fell upon his face, and laughed.] Not as doubting, much less deriding, Rom 4:19 but as rejoicing and admiring the goodness and power of God. The narrow-mouthed vessel of his heart not quickly capable of so great comfort - for, Tarda solet magnis rebus inesse fides - he fell upon his face, and laughed.