A writer who is in a hurry to be understood today or tomorrow runs the danger of being misunderstood the day after tomorrow.

Physics is nothing but the ABC's. Nature is an equation with an unknown, a Hebrew word which is written only with consonants to which reason has to add the dots.

A writer who is in a hurry to be understood today or tomorrow runs the danger of being misunderstood the day after tomorrow.

Few authors understand themselves, and a proper reader must not only understand his author but also be able to see beyond him.

If only I was as eloquent as Demosthenes, I would have to do no more than repeat a single word three times.

Self knowledge begins with the neighbor, the mirror, and just the same with true self-love; that goes from the mirror to the matter.

When I rest my feet my mind also ceases to function.