“Comedy is tragedy standing on its head with its pants down.”
“Humor is merely tragedy standing on its head with its pants torn.”
“It's the Divine Comedy, not the Divine Tragedy.”
“It's so laughable that it's somewhere beyond comedy and right into tragedy again.”
“For life is terribly deficient in form. Its catastrophes happen in the wrong way and to the wrong people. There is a grotesque horror about its comedies, and its tragedies seem to culminate in farce.”
“He is a [sane] man who can have tragedy in his heart and comedy in his head.”