Teach him to live rather than to avoid death: life is not breath, but action, the use of our senses, our mind, our faculties, every part of ourselves which makes us conscious of our being. Life consists less in length of days than in the keen sense of living. A man maybe buried at a hundred and may never have lived at all. He would have fared better had he died young.

Do to others as you would have others do to you, inspires all men with that other maxim of natural goodness a great deal less perfect, but perhaps more useful: Do good to yourself with as little prejudice as you can to others.

Do not judge, and you will never be mistaken.

Do not base your life on the judgments of others; first, because they are as likely to be mistaken as you are, and further, because you cannot know that they are telling you their true thoughts.

I long remained a child, and I am still one in many respects.

Virtue is a state of war, and to live in it we have always to combat with ourselves.

The freedom of Mankind does not lie in the fact that can do what we want, but that we do not have to do that which we do not want.