Nothing very new. By taking good care of yourselves you are of service to me and my family as well as yourselves, no matter what you do, even if you don't think so at present. But if you neglect yourselves and are unwilling to live, as though following tracks, in accordance with what we now say and have said in the past too, then no matter how much or how seriously you agree with me at present you will accomplish next to nothing.

My friend...care for your psyche...know thyself, for once we know ourselves, we may learn how to care for ourselves

One who is injured ought not to return the injury, for on no account can it be right to do an injustice.

Why should we pay so much attention to what the majority thinks?

Flattery is like friendship in show, but not in fruit.

Follow the argument wherever it leads.

Men of Athens, I honor and love you; but I shall obey God rather than you, and while I have life and strength I shall never cease from the practice and teaching of philosophy.