We live less than the time it takes to blink an eye, if we measure our lives against eternity. So it may be asked what value is there to a human life. There is so much pain in the world. What does it mean to have to suffer so much if our lives are nothing more than the blink of an eye? . . .I learned a long time ago, Reuven, that a blink of an eye in itself is nothing. But the eye that blinks, that is something.