"The entire enterprise of philosophy consists of nothing more than unintelligible answers to insoluble problems." - Henry Adams, a great American historian
"Philosophy is doubt." - Michael de Montaigne, a prominent French essayist
"Philosophy is an explosive, in the presence of which everything is in danger." - Friedrich Nietzsche, a famous 19th century philosopher
"Do not all charms fly at the mere touch of cold philosophy." - John Keats, an English poet
"There is nothing so absurd that it hasn't been said by some philosopher." - Cicero, Roman statesman and author
