My primary process of perceiving is muscular and visual.

There exists a passion for comprehension, just as there exists a passion for music. That passion is rather common in children, but gets lost in most people later on. Without this passion there would be neither mathematics nor natural science.

I am a deeply religious nonbeliever - this is a somewhat new kind of religion.

Strange is our situation here upon earth.

It is my inner conviction that the development of science seeks in the main to satisfy the longing for pure knowledge.

Despite my being an old gypsy there is a tendency to respectability inherent in old age.

We experience ourselves our thoughts and feelings as something separate from the rest. A kind of optical delusion of consciousness. This delusion is a kind of prison for us, restricting us to our personal desires and to affection for a few persons nearest to us.