I am a determinist. As such, I do not believe in free will...Practically, I am, nevertheless, compelled to act as if freedom of the will existed. If I wish to live in a civilized community, I must act as if man is a responsible being.

We cannot get to where we dream of being tomorrow unless we change our thinking today.

What good is a reputation not put to good use.

Paper is to write things down that we need to remember. Our brains are used to think.

I believe in intuition and inspiration. Imagination is more important than knowledge. For knowledge is limited, whereas imagination embraces the entire world, stimulating progress, giving birth to evolution. It is, strictly speaking, a real factor in scientific research.

Man has an intense desire for assured knowledge.

The value of a man resides in what he gives