Oratory is good only if it has the qualities of fitness for the occasion, propriety of style, and originality of treatment, while in the case of lett….

Never hope to conceal any shameful thing which you have done; for even if you do conceal it from others, your own heart will know. … Pursue the enjoy….

We should not call a city happy because it attracts masses of citizens from everywhere; a fortunate city is one in which the race of the original inh….

And let no one suppose that I claim that just living can be taught for, in a word, I hold that there does not exist an art of the kind which can impl….

It is more important to know where you are going than to get there quickly. Do not mistake activity for achievement. Remember that there is nothing s….

Abhor flatterers as you would deceivers; for both, if trusted, injure those who trust them. If you admit as friends men who seek your favor for the l….

Consider that nothing in human life is stable; for then you will not exult overmuch in prosperity, nor grieve overmuch in adversity. Rejoice over the….

It is not fitting that the evil produced by men should be imputed to things; let those bear the blame who make an ill use of things in themselves goo….

So far has Athens left the rest of mankind behind in thought and expression that her pupils have become the teachers of the world, and she has made t….

Those who directed the state in the time of Solon and Cleisthenes did not establish a polity which ... trained the citizens in such fashion that they….

Regard as your most faithful friends, not those who praise everything you say or do, but those who criticize your mistakes..

Conduct yourself towards your parents as you would have your children conduct themselves towards you..

But I marvel when I observe these men setting themselves up as instructors of youth who cannot see that they are applying the analogy of an art with ….

Always when you are about to say anything, first weigh it in your mind; for with many the tongue outruns the thought..

If all who are engaged in the profession of education were willing to state the facts instead of making greater promises than they can possibly fulfi….

Spend your leisure time in cultivating an ear attentive to discourse, for in this way you will find that you learn with ease what others have found o….

Whetstones are not themselves able to cut, but make iron sharp and capable of cutting..

Of all our possessions, wisdom alone is immortal..

I maintain, then, that we should make peace, not only with the Chians, the Rhodians, the Byzantines and the Coans, but with all mankind..

Be gracious to all men, but choose the best to be your friends..

If you be a lover of instruction, you will be well instructed..