Hunger, love, pain, fear are some of those inner forces which rule the individual's instinct for self preservation.

I believe that a simple and unassuming manner of life is best for everyone, best both for the body and the mind.

You can never solve a problem with the same kind of thinking that created the problem in the first place.

The words of language, as they are written or spoken, do not seem to play any role in my mechanism of thought. The physical entities which seem to serve as elements in thought are certain signs and more or less clear images.

There is no logical way to the discovery of these elemental laws. There is only the way of intuition, which is helped by a feeling for the order lying behind the appearance.

I see only with deep regret that God punishes so many of His children for their numerous stupidities, for which only He Himself can be held responsible; in my opinion, only His nonexistence could excuse Him.

Three Rules of Work: Out of clutter find simplicity. From discord find harmony. In the middle of difficulty lies opportunity.