Considerate la vostra semenza:
fatti non foste a viver come bruti,
ma per seguir virtute e canoscenza”.
(Dante: Inferno -Canto ventiseiesimo)
I have often said, and oftener think, that this world is a comedy to those that think, a tragedy to those that feel — a solution of why Democritus laughed and Heraclitus wept.
Letter by Horace Walpole to Sir Horace Mann (31 December 1769)