He who advises a sick man, whose manner of life is prejudicial to health, is clearly bound first of all to change his patient's manner of life.

Love is a madness produced by an unsatisfiable rational desire to understand the ultimate truth about the world.

Even in reaching for the beautiful there is beauty, and also in suffering whatever it is that one suffers en route.

Between knowledge of what really exists and ignorance of what does not exist lies the domain of opinion. It is more obscure than knowledge, but clearer than ignorance.

Virtue is voluntary, vice involuntary.

[The Cretans have] more wit than words.

Knowledge is true opinion.