Only Socrates knew, after a lifetime of unceasing labor, that he was ignorant. Now every high-school student knows that. How did it become so easy? – Allan Bloom
Credit is like a looking-glass, which when once sullied by a breath, may be wiped clear again; but if once cracked can never be repaired. – Sir Walter Scott
Thought is subversive and revolutionary, destructive and terrible, Thought is merciless to privilege, established institutions, and comfortable habit. Thought is great and swift and free. – Bertrand Russell