External nature is only internal nature writ large.

There is poison in the fang of the serpent, in the mouth of the fly and in the sting of a scorpion; but the wicked man is saturated with it.

What a piece of work is a man! How noble in reason! How infinite in faculties! In form and moving, how express and admirable! In action how like an angel! In apprehension how like a god! The beauty of the world! The paragon of animals! And yet, to me, what is this quintessence of dust?

I never failed once. It just happened to be a 2000-step process.

I owe my success to the fact that I never had a clock in my workroom.

A red-headed man is not generally considered to be a sexual icon.