Wherever I go it will be well with me, for it was well with me here, not on account of the place, but of my judgments which I shall carry away with me, for no one can deprive me of these; on the contrary, they alone are my property, and cannot be taken away, and to possess them suffices me wherever I am or whatever I do.

From this instant on, vow to stop disappointing yourself. Separate yourself from the mob. Decide to be extraordinary and do what you need to do -- now.

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.

Shall I show you the sinews of a philosopher? What sinews are those? - A will undisappointed; evils avoided; powers daily exercised; careful resolutions; unerring decisions.

No man is able to make progress when he is wavering between opposite things.

And have you not received faculties which will enable you to bear all that happens to you? Have you not received greatness of spirit? Have you not received courage? Have you not received endurance?

Happiness and freedom begin with a clear understanding of one principle: Some things are within our control, and some things are not.