The most important question a person can ask is, "Is the Universe a friendly place?

The world we have created is a product of our thinking; it cannot be changed without changing our thinking. If we want to change the world we have to change our thinking...no problem can be solved from the same consciousness that created it. We must learn to see the world anew.

A little knowledge is a dangerous thing. So is a lot.

Not all things worth counting are countable and not all things that count are worth counting.

It is very difficult to explain this feeling to anyone who is entirely without it, especially as there is no anthropomorphic conception of God corresponding to it. The individual feels the nothingness of human desires and aims and the sublimity and marvelous order which reveal themselves both in Nature and in the world of though. He looks upon individual existence as a sort of prison and wants to experience the universe as a single significant whole.

The most precious things in life are not those you get for money.

Show me a satisfied man, and I'll show you a failure.