“We cannot solve our problems with the same thinking we used when we created them.”

I have no special talent. I am only passionately curious.

Try not to become a man of success, but rather try to become a man of value.

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

One may say the eternal mystery of the world is its comprehensibility.

In the middle of every difficulty lies opportunity.

God always takes the simplest way.

Feeling and longing are the motive forces behind all human endeavor and human creations.

Logic will get you from A to B. Imagination will take you everywhere.