We humans are the greatest of earth's parasites.

I find that most men would rather have their bellies opened for five hundred dollars than have a tooth pulled for five.

First need in the reform of hospital management? That's easy! The death of all dietitians, and the resurrection of a French chef.

None of the great discoveries was made by a 'specialist' or a 'researcher'.

Facts are not science - as the dictionary is not literature.

In diagnosis think of the easy first.

Diagnosis is not the end, but the beginning of practice.

The great doctors all got their education off dirt pavements and poverty - not marble floors and foundations.

You must learn to talk clearly. The jargon of scientific terminology which rolls off your tongues is mental garbage.

Whenever ideas fail, men invent words.

Don't despise empiric truth. Lots of things work in practice for which the laboratory has never found proof.

A doctor must work eighteen hours a day and seven days a week. If you cannot console yourself to this, get out of the profession.

When a man lacks mental balance in pneumonia he is said to be delirious. When he lacks mental balance without the pneumonia, he is pronounced insane by all smart doctors.

In the sick room, ten cents' worth of human understanding equals ten dollars' worth of medical science.

A good teacher must know the rules; a good pupil, the exceptions.

Research has been called good business, a necessity, a gamble, a game. It is none of these - it's a state of mind.

A man who cannot work without his hypodermic needle is a poor doctor. The amount of narcotic you use is inversely proportional to your skill.

We humans are the greatest of earth's parasites.

Here's good advice for practice: go into partnership with nature; she does more than half the work and asks none of the fee.

There is only one reason why men become addicted to drugs - they are weak men. Only strong men are cured, and they cure themselves.

The practice of medicine is a thinker's art the practice of surgery a plumber's.

Don't confuse hypothesis and theory. The former is a possible explanation; the latter, the correct one. The establishment of theory is the very purpose of science.

Most of the food allergies die under garlic and onion.

Life preys upon life. This is biologys most fundamental fact.

There is no substitute for mothers milk.

Sweat silently. Lets have no squawking about a little expenditure of energy.

All the world is a laboratory to the inquiring mind.

If a patient cannot clean his teeth no dentist can clean them for him.

Our profession is the only one which works unceasingly to annihilate itself.

A doctor whose breath smells has no right to medical opinion.

There is only one reason why men become addicted to drugsthey are weak men. Only strong men are cured and they cure themselves.

Education is the process of driving a set of prejudices down your throats.

Education should be exercise it has become massage.

Since the Middle Ages progress in hygiene has been characterized by the conquest of stink.

Expect an early death - it will keep you busier.

If you are physically sick, you can elicit the interest of a battery of physicians; but if you are mentally sick, you are lucky if the janitor comes around.

The French are the wittiest, the most charming, and up to the present, at all events, the least musical race on Earth.

My life has been a continuous fulfillment of dreams. It appears that everything I saw and did has a new, and perhaps, more significant meaning, every time I see it. The earth is good. It is a privilege to live thereon.

I believe as human beings we are out of balance, out of synch with the earth.

We are put on this earth to have a good time. This makes other people feel good. And the cycle continues.

All men are by nature equal, made all of the same earth by one Workman; and however we deceive ourselves, as dear unto God is the poor peasant as the mighty prince.

Infuse your life with action. Don't wait for it to happen. Make it happen. Make your own future. Make your own hope. Make your own love. And whatever your beliefs, honor your creator, not by passively waiting for grace to come down from upon high, but by doing what you can to make grace happen... yourself, right now, right down here on Earth.

You know, if you hang around this earth long enough you really see how things come full circle.

With a firm and steadfast mind one should hold under all conditions, that everywhere the earth is below and the sky above, and to the energetic man, every region is his fatherland.

A time will come when men will stretch out their eyes. They should see planets like our Earth.

When I say artist I mean the man who is building things - creating molding the earth - whether it be the plains of the west - or the iron ore of Penn. It's all a big game of construction - some with a brush - some with a shovel - some choose a pen.

Long after this wonderful event in the Earth's history, when the human species was spread over a good deal of Asia, Europe, and Africa, migration to the American continents began in attempts to find new feeding grounds and unoccupied areas for hunting and fishing.

My object will be, first, to show by what connections the history of the fossil bones of land animals is linked to the theory of the earth and why they have a particular importance in this respect.

I just did a picture book called The Wildest Brother on Earth, and you will find both of my children in there.