Don't regard what anyone says of you, for this, after all, is no concern of yours.

Ask yourself, "How are my thoughts, words and deeds affecting my friends, my spouse, my neighbour, my child, my employer, my subordinates, my fellow citizens?"

Once you know who you are and to whom you are linked, you will know what to do

It is impossible for a man to learn what he thinks he already knows.

What ought one to say then as each hardship comes? I was practicing for this, I was training for this.

These reasonings are unconnected: "I am richer than you, therefore I am better"; "I am more eloquent than you, therefore I am better." The connection is rather this: "I am richer than you, therefore my property is greater than yours;" "I am more eloquent than you, therefore my style is better than yours." But you, after all, are neither property nor style.

Bid a singer in a chorus, Know Thyself; and will he not turn for the knowledge to the others, his fellows in the chorus, and to his harmony with them?