| Author | Quote |
| A. Kerr | Dyspepsia is the remorse of a guilty stomach. |
| A.B. Christie | Man is a creature composed of countless millions of cells: a microbe is composed of only one, yet throughout the ages the two have been in ceaseless conflict. |
| A.J. Reb Materi | So many people spend their health gaining wealth, and then have to spend their wealth to regain their health. |
| Abbie Hoffman | Understand that legal and illegal are political, and often arbitrary, categorizations; use and abuse are medical, or clinical, distinctions. |
| Abe Lemons | Finish last in your league and they call you idiot. Finish last in medical school and they call you doctor.
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| Abraham lincon | Most folks are about as happy as they make up their minds to be. |
| Addison | Cheerfulness is the best promoter of health, and is as friendly to the mind as to the body.
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| Adelle Davis | We are indeed much more than what we eat, but what we eat can nevertheless help us to be much more than what we are. |
| Adelle Davis | As I see it, every day you do one of two things: build health or produce disease in yourself.
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| African Proverb | If you are too smart to pay the doctor, you had better be too smart to get ill. |
| Al Batt | The secret of happiness is to make others believe they are the cause of it.
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| Albert Claude | When I went to the University, the medical school was the only place where one could hope to find the means to study life, its nature, its origins, and its ills.
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| Albert Einstein | Science without religion is lame, religion without science is blind.
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| Albert Schweitzer | Happiness is nothing more than good health and a bad memory.
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| Albert Schweitzer | Every patient carries her or his own doctor inside.
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| Albert Szent-Gyorgyi | A discovery is said to be an accident meeting a prepared mind. |
| Aldous Huxley | Men make use of their illnesses at least as much as they are made use of by them. |
| Alex Chiu | Oh! there are lots of doctors and medical professionals out there who buy my devices at wholesale price. |
| Alexander of Tralles | The physician should look upon the patient as a besieged city and try to rescue him with every means that art and science place at his command. |
| Alexander von Humboldt. | True enjoyment comes from activity of the mind and exercise of the body; the two are united.
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