William Harvey

Man comes into the world naked and unarmed, as if nature had destined him for a social creature, and ordained him to live under equitable laws and in peace

I appeal to your own eyes as my witness and judge.

As art is a habit with reference to things to be done, so is science a habit in respect to things to be known.

I avow myself the partisan of truth alone.

I profess both to learn and to teach anatomy, not from books but from dissections; not from positions of philosophers but from the fabric of nature.

The heart of animals is the foundation of their life, the sovereign of everything within them, the sun of their microcosm, that upon which all growth depends, from which all power proceeds.