“A happy man is too satisfied with the present to dwell too much on the future.”

Anyone who doesn't take truth seriously in small matters cannot be trusted in large ones either.

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

Setting an example is not the main means of influencing another, it is the only means.

Great ideas often receive violent opposition from mediocre minds.

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

Imagination is more important than knowledge. For while knowledge defines all we currently know and understand, imagination points to all we might yet discover and create.

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

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