Cold completely introspective logic places a philosopher on the road to the abstract. Out of this empty, artificial act of thinking there can result, of course, nothing which bears on the relation of man to himself, and to the universe.
Albert SchweitzerThe great secret of success is to go through life as a person who never gets used up. That is possible for those who never argue and strive with people and facts, but in all experience retires upon themselves, and look for the ultimate cause of things in themselves.
Albert Schweitzer