He who resolves never to ransack any mind but his own will be soon reduced from mere barrenness to the poorest of all imitations; he will be obliged to imitate himself, and to repeat what he has before repeated. —Sir Joshua Reynolds
Be ever questioning. Ignorance is not bliss. It is oblivion. You don't go to heaven if you die dumb. Become better informed. Learn from others' mistakes. You could not live long enough to make them all yourself. —Hyman George Rickover