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.

What for others is style, for me is soul.

What Tarquin the Proud said in his garden with the poppy blooms was understood by the son but not by the messenger.

Lies, fables and romances must needs be probable, but not the truth and foundation of our faith.

I look upon logical proofs the way a well-bred girl looks upon a love letter

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

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