16-19. a certain rich man, &c.—Why is this man called a "fool?" (Lu 12:20) (1) Because he deemed a life of secure and abundant earthly enjoyment the summit of human felicity. (2) Because, possessing the means of this, through prosperity in his calling, he flattered himself that he had a long lease of such enjoyment, and nothing to do but give himself up to it. Nothing else is laid to his charge.

     20, 21. this night, &c.—This sudden cutting short of his career is designed to express not only the folly of building securely upon the future, but of throwing one's whole soul into what may at any moment be gone. "Thy soul shall be required of thee" is put in opposition to his own treatment of it, "I will say to my soul, Soul," &c.