He is a wise man who does not grieve for the things which he has not, but rejoices for those which he has.

To be getting an education means this: to be learning what is your own, and what is not your own.

Desire and happiness cannot live together.

Authentic happiness is always independent of external conditions. Vigilantly practice polite indifference to that which we can't control. Your happiness can only be found within.

No one who is in a state of fear or sorrow or tension is free, but whosoever is delivered from sorrows or fears or anxieties is at the same time delivered from servitude.

I laugh at those who think they can damage me. They do not know who I am, they do not know what I think, they cannot even touch the things which are really mine and with which I live.

Be not swept off your feet by the vividness of the impression, but say, "Impression, wait for me a little. Let me see what you are and what you represent. Let me try you."