Alexander

“There was one field in which man was unsurpassed; he showed unlimited ingenuity in devising bigger and more efficient ways to kill off, enslave, harass, and in all ways make an unbearable nuisance of himself to himself. Man was his own grimmest joke on himself. The very bedrock of humor was— “Man is the animal who laughs,”
― Robert A. Heinlein, Stranger in a Strange Land