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.
My readers - and I get 400 emails for a day, my readers normally they say, well, you understand me, and I answer, you do understand me also. We are in the same level.
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.
Why should I hasten to solve every riddle which life offers me? I am well assured that the Questioner, who brings me so many problems, will bring me the answers also, in due time.