For extreme illnesses extreme treatments are most fitting.

I have clearly recorded this: for one can learn good lessons also from what has been tried but clearly has not succeeded, when it is clear why it has not succeeded.

Each of the substances of a man's diet acts upon his body and changes it in some way and upon these changes his whole life depends.

Medicine is of all the Arts the most noble; but, owing to the ignorance of those who practice it, and of those who, inconsiderately, form a judgment of them, it is at present behind all the arts.

If you are not your own doctor, you are a fool.

From nothing else but the brain come joys, delights, laughter and sports, and sorrows, griefs, despondency, and lamentations

War is the only proper school of the surgeon.