Hippocrates

Euripides distinctly states that in his day the universal physiological doctrine was that the child descended exclusively from the male parent, and Hippocrates (περὶ παιδίου), in energetically combating this opinion, and contending that the child descended from both parents, seems to admit that it was a prevalent heresy.

Cicero says that Hippocrates, the most renowned physician, left it in writing that he suspected certain brothers to be twins, since, when they had begun to fall ill at the same time and their disease grew worse at the same time and abated at the same time.

But also, when the physician Hippocrates had written, "One must look, then, to season and country and age and diseases," Euripides in a certain hexameter saying says, "Whoever knows how to heal well must look to the diets of those who dwell in a city, having seen the land, in considering the diseases.

On motion of Hippocrates it is decreed that the Plataeans shall be Athenians from this day, and shall have full rights as citizens, and that they shall share in all the privileges in which the Athenians share, both civil and religious, save any priesthood or religious office which belongs to a particular family, and that they shall not be eligible to the office of the nine archons but their descendants shall be.

In acute diseases you will let blood, if the disease appears severe, and those who have it are in the prime of life, and their strength is present.

Buqrāṭ stated this in some of his books:

“Life is short, art is long.

Meanwhile a letter dispatched to Lacedaemon by Hippocrates, vice-admiral under Mindarus, was intercepted and taken to Athens;