I avow myself the partisan of truth alone

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

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 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.

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

Perhaps half the falsehood in the world is due to lack of power to detect the truth and to express it. aids both in discernment and in expression of things as they are.