Cowardice, the dread of what will happen.

Nothing truly stops you. Nothing truly holds you back. For your own will is always within your control.

Have the wisdom to know what cannot be changed, and the strength to change what can.

Lampis the ship owner, on being asked how he acquired his great wealth, replied, My great wealth was acquired with no difficulty, but my small wealth, my first gains, with much labor.

Who are those people by whom you wish to be admired? Are they not these whom you are in the habit of saying that they are mad? What then? Do you wish to be admired by the mad?

If someone speaks badly of you, do not defend yourself against the accusations, but reply; "you obviously don't know about my other vices, otherwise you would have mentioned these as well

Not every difficult and dangerous thing is suitable for training, but only that which is conducive to success in achieving the object of our effort.