I avow myself the partisan of truth alone.

Very many maintain that all we know is still infinitely less than all that still remains unknown.

I profess to learn and to teach anatomy not from books but from dissections, not from the tenets of Philosophers but from the fabric of Nature.

The heart is the household divinity which, discharging its function, nourishes, cherishes, quickens the whole body, and is indeed the foundation of life, the source of all action.

Moderate labor of the body conduces to the preservation of health, and cares many initial diseases.

Civilization is only a series of victories against 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.

Only by understanding the wisdom of natural foods and their effects on the body, shall we attain mastery of disease and pain, which shall enable us to relieve the burden of mankind.

For the concept of a circuit of the blood does not destroy, but rather advances traditional medicine.

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

The main reason of fear of failure lies in people’s being unaware of the impact of misfortune on achieving success

It is impossible to survive in a prolonged state of reality.

Thoughts alone are potent writs of becoming.

In life, as in knitting, don't leave loose ends. Take the time to thank the people who matter in your life.

Always winter but never Christmas.

Indeed, organizing atheists has been compared to herding cats, because they tend to think independently and will not conform to authority.

Curiosity is a lust of the mind.

Anything that is created must sooner or later die. Enlightenment is permanent because we have not produced it; we have merely discovered it.

You need help when you're starting out. On the other hand, some people are very naturalistic to begin with.

Those who won our independence by revolution were not cowards.