If toil is set before you, you will find endurance.

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  If you would improve, be content to be thought foolish by others.

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  Let death and exile and every other thing which appears dreadful be daily before your eyes, but most of all death.

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  If what you do is right, why are you afraid of those who will find fault wrongly?

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  Disease is an impediment to the body, but not to the will, unless the will itself chooses.

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  You can be invincible, if you enter into no contest in which it is not in your power to conquer.

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  No man is free who is not master of himself.

All quotes