If thou continuous to take delight in idle argumentation thou mayest be qualified to combat with the sophists, but will never know how to live with men.

I am wiser than this man, for neither of us appears to know anything great and good; but he fancies he knows something, although he knows nothing; whereas I, as I do not know anything, so I do not fancy I do. In this trifling particular, then, I appear to be wiser than he, because I do not fancy I know what I do not know.

Are not all things which have opposites generated out of their opposites?

Is there anyone to whom you entrust a greater number of serious matters than your wife? And is there anyone with whom you have fewer conversations?

The noblest worship is to make yourself as good and as just as you can.

No man undertakes a trade he has not learned, even the meanest; yet everyone thinks himself sufficiently qualified for the hardest of all trades, that of government.

Remember, no human condition is ever permanent. Then you will not be overjoyed in good fortune nor too scornful in misfortune.