So can no fountain both yield, &c.— "Full as inconsistent is it to suppose, that a man's heart, the fountain whence all his words proceed, should habitually vent itself in ways of talking, which are of as directly contrary a nature, as the salt water of the sea, and the sweet water of the finest spring, are one to the other."
Related Commentaries of James 3:12
James 3:12
12 Can the fig tree, my brethren, bear olive berries? either a vine, figs? so can no fountain both yield salt water and fresh.