The beginning of wisdom is a definition of terms.

The heart of the person before you is a mirror. See there your own form.

Follow the argument wherever it leads.

Every action has its pleasures and its price.

Go wherever the facts lead.

Only the extremely ignorant or the extremely intelligent can resist change.

It is not living that matters, but living rightly.

The greatest way to live with honor in this world is to be what we pretend to be.

From the deepest desires often come the deadliest hate.

The soul, like the body, accepts by practice whatever habit one wishes it to contact.

Be as you wish to seem.

Slanderers do not hurt me because they do not hit me.

I love to go and see all the things I am happy without.

Those who want the fewest things are nearest to the gods.

Exercise till the mind feels delight in reposing from the fatigue.

There is but one evil, ignorance.

An unexamined life is a life of no account.

Let the questions be the curriculum.

No citizen has a right to be an amateur in the matter of physical training... what a disgrace it is for a man to grow old without ever seeing the beauty and strength of which his body is capable.