Imagination, the supreme delight of the immortal and the immature, should be limited. In order to enjoy life, we should not enjoy it too much.
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.