True knowledge exists in knowing that you know nothing.
Not life, but good life, is to be chiefly valued.
An unexamined life is not worth living.
Living well and beautifully and justly are all one thing.
We too must endure and persevere in the inquiry, and then courage will not laugh at our faintheartedness in searching for courage; which after all may, very likely, be endurance.
Virtue does not come from wealth, but wealth, and every other good thing which men have comes from virtue.
To do is to be.
Think not those faithful who praise all thy words and actions; but those who kindly reprove thy faults.
They are not only idle who do nothing, but they are idle also who might be better employed.
The soul, like the body, accepts by practice whatever habit one wishes it to contact.