“It is changes that are chiefly responsible for diseases, especially the greatest changes, the violent alterations both in the seasons and in other things. (:)…regimen and temperature, and one period of life to another.”

Who could have foretold, from the structure of the brain, that wine could derange its functions?

…all the most acute, most powerful, and most deadly diseases, and those which are most difficult to be understood by the inexperienced, fall upon the brain.

Eunuchs do not take the gout, nor become bald.

Where prayer, amulets and incantations work it is only a manifestation of the patient’s belief.

Male and female have the power to fuse into one solid, both because both are nourished in both and also because soul is the same thing in all living creatures, although the body of each is different.

Declare the past, diagnose the present, foretell the future; practice these acts. As to diseases, make a habit of two things–to help, or at least to do no harm.

And if incision of the temple is made on the left, spasm seizes the parts on the right, while if the incision is on the right, spasm seizes the parts on the left.

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

Get knowledge of the spine, for this is the requisite for many diseases

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

Foolish the doctor who despises the knowledge acquired by the ancients.

Of several remedies, the physician should choose the least sensational.

The forms of diseases are many and the healing of them is manifold.

A physician who is a lover of wisdom is the equal to a god.

All disease begins in the gut.

Life is short, science is long; opportunity is elusive, experiment is dangerous, judgement is difficult.

Everything that makes diversity of kinds, of species, differences, properties… everything that consists in generation, decay, alteration and change is not an entity, but a condition and circumstance of entity and being, which is one, infinite, immobile, subject, matter, life, death, truth, lies, good and evil.

Evolution is not a genetically controlled distortion of one adult form into another; it is a genetically controlled alteration in a developmental program.