The cradle rocks above an abyss, and common sense tells us that our existence is but a brief crack of light between two eternities of darkness.
Source: Speak, Memory, ch. 1, sct. 1 (1955, rev. 1966).
-- Vladimir Nabokov, (Apr 23 1899-1977), Russian-U. S. novelist; He was the foremost of the post-1917 immigrant authors; his works include Lolita, 1955.