Why couldn't the world that concerns us- be a fiction? And if somebody asked, 'but to be a fiction there surely belongs an author?'- couldn't one answer simply: 'Why? Doesn't this "belongs" perhaps belong to the fiction, too?'
We must certainly acknowledge that solitude is a fine thing; but it is a pleasure to have some one who can answer, and to whom we can say, from time to time, that solitude is a fine thing.
Ask courageous questions.
Do not be satisfied with superficial answers.
Be open to wonder and at the same time subject all claims to knowledge, without exception, to intense skeptical scrutiny.
Be aware of human fallibility.
Cherish your species and your planet.
We cannot ask a man what he will do, and if we should, and he should answer us, we should despise him for it. Therefore we must take a man whose opinions are known.