Some cause happiness wherever they go; others, whenever they go. (Oscar Wilde)

In theory, there is no difference between theory and practice. But in practice, there is. (Yogi Berra)

Be nice to people on your way up because you meet them on your way down. (Jimmy Durante)

It is much more comfortable to be mad and know it, than to be sane and have one’s doubts. (G. B. Burgin)