He who studies medicine without books sails an uncharted sea, but he who studies medicine without patients does not go to sea at all.

To study the phenomena of disease without books is to sail an uncharted sea, while to study books without patients is not to go to sea at all.

He who rides the sea of the Nile must have sails woven of patience.

Medicine is a science of uncertainty and an art of probability.

It is easier to buy books than to read them, and easier to read them than to absorb them.

The first duties of the physician is to educate the masses not to take medicine.