Everything the human being heard from the beginning, saw with its eyes, looked upon and touched with its hands was a living word; for God was the word.

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

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

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.

All human wisdom works and has worries and grief as reward.

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

The weakness of ourselves and of our reason makes us see flaws in beauties by making us consider everything piece by piece.