You have to grow from the inside out. None can teach you, none can make you spiritual. There is no other teacher but your own soul.

Many people are forced to do jobs that they don’t like—just to make both ends meet.

Magicians prosper because we are willing to be fooled.

Perfect friendship is the friendship of men who are good, and alike in excellence; for these wish well alike to each other qua good, and they are good in themselves.

I have retired, but if there's anything that would kill me it is to wake up in the morning not knowing what to do. 

Never lose a holy curiosity.

I never did a day's work in my life. It was all fun.

Real education enhances the dignity of a human being and increases his or her self-respect. If only the real sense of education could be realized by each individual and carried forward in every field of human activity, the world will be so much a better place to live in.

Any man who reads too much and uses his own brain too little falls into lazy habits of thinking.

I never could have done what I have done without the habits of punctuality, order, and diligence, without the determination to concentrate myself on one subject at a time.

That's been one of my mantras - focus and simplicity. Simple can be harder than complex: You have to work hard to get your thinking clean to make it simple. But it's worth it in the end because once you get there, you can move mountains.

Being unwanted, unloved, uncared for, forgotten by everybody, I think that is a much greater hunger, a much greater poverty than the person who has nothing to eat.