(I hope you find these quotations as enjoyable as I did.  Although certainly some are humorous, almost every one imparts wisdom from the ages).

One doctor, singly like the sculler plies, The patient struggles, and by inches dies; But two physicians, like a pair of oars, Waft him right swiftly to the Stygian shores. -Guillaume de Salluste Du Bartas, Divine Weekes and Workes--First Week--Sixth Day (l. 1,018)

The simplicity of truth is annoying to man. - Goethe

But nothing is more estimable than a physician who, having studied nature from his youth, knows the properties of the human body, the diseases which assail it, the remedies which will benefit it, exercises his art with caution, and pays equal attention to the rich and the poor. - Voltaire (Francois Marie Arouet Voltaire), A Philosophical Dictionary--Physicians

Medicine can only cure curable diseases, and then not always. -Chinese Proverb

He who lives by medical prescriptions lives miserably. -Proverb

Nature is the physician of man. - Hippocrates, “the father of medicine”, The Nature of Man

Medicine, the only profession that labors incessantly to destroy the reason for its existence. - James Bryce

I firmly believe that if the whole materia medica could be sunk to the bottom of the sea, it would be all the better for mankind, and all the worse for the fishes. - Oliver Wendell Holmes

God heals and the doctor takes the fee. - Benjamin Franklin

The rich Physician, honor'd Lawyers ride, Whilst the poor Scholar foots it by their side. [Lat., Dat Galenus opes, dat Justinianus honores, Sed genus species cogitur ire pedes.] - Robert Burton, Anatomy of Melancholy (I, 2, 3, 15)

Better to hunt in fields for health unbought, Than fee the doctor for a nauseous draught. The wise for cure on exercise depend; God never made his work for man to mend. -John Dryden, Epistle to John Dryden of Chesterton (l. 92)

Is there no hope?" the sick man said, The silent doctor shook his head, And took his leave with signs of sorrow, Despairing of his fee to-morrow. - John Gay, The Sick Man and the Angel

Constant attention by a good nurse may be just as important as a major operation by a surgeon. -Dag Hammarskjold, News Summaries, Mar. 18.1956

You tell your doctor, that y' are ill And what does he, but write a bill, Of which you need not read one letter, The worse the scrawl, the dose the better. For if you knew but what you take, Though you recover, he must break. - Matthew Prior, Alma (canto III, l. 97)

But, when the wit began to wheeze, And wine had warm'd the politician, Cur'd yesterday of my disease, I died last night of my physician. - Matthew Prior, The Remedy Worse than the Disease

Physicians, of all men, are most happy: whatever good success soever they have, the world proclaimeth and what faults they commit, the earth covereth. - Francis Quarles, Hieroglyphics of the Life of Man

Nearly all men die of their medicines, not of their diseases. - Moliere (1622-1672)

The doctor of the future will give no medicine but will interest his patients in the care of the human frame, in diet and in the cause and prevention of disease. - Thomas Edison

Having good health is very different than only being not sick. -Seneca the Younger, 50AD

In health there is freedom. Health is the first of all liberties. -Henri-Frederic Amiel 1828-1881

Most diseases are the result of medication that has been applied to relieve and take away a beneficient and warning symptom on the part of Nature. - Elbert Hubbard

Leave your drugs in the chemist's pots if you can cure your patient with food. - Hippocrates, 420BC

One of the first duties of the physician is to educate the masses not to take medicine. -William Osler

A merry heart does good like medicine. - Proverbs 17:22

Medicine makes people ill, mathematics makes them sad, theology makes them sinful. - Martin Luther (1483-1546)

Orthodox medicine has not found an answer to your complaint. However, lucky for you, I happen to be a quack. - Richter cartoon caption

I have endeavored to show that there is no real service of humanity in the profession [of medicine] and that it is injurious to mankind. - Mahatma Gandhi

The life so short, the craft so long to learn. -- Hippocrates

How unfair! Only one health, and so many diseases. ---Victor Schlichter, attributed by his son Dr. Andres J. Schlichter, Children´s Hospital, Buenos Aires, Argentina

The miserable have no other medicine but only hope. -- William Shakespeare Measure for Measure

Thanks to modern medicine we are no longer forced to endure prolonged pain, disease, discomfort and wealth. -- Robert Orben

Doctors are men who prescribe medicines of which they know little, to cure diseases of which they know less, in human beings of whom they know nothing. -- Voltaire [Francois-Marie Arouet]

Formerly, when religion was strong and science weak, men mistook magic for medicine; now, when science is strong and religion weak, men mistake medicine for magic. - Thomas Szasz, M.D.

The art of medicine consists in amusing the patient while nature cures the disease.- Voltaire (1694 - 1778)

[Medicine is] a collection of uncertain prescriptions the results of which, taken collectively, are more fatal than useful to mankind.- Napoleon Bonaparte (1769 - 1821)

Live long, live healthy, live happy!