There is but one thing of real value - to cultivate truth and justice, and to live without anger in the midst of lying and unjust men.

When we consider we are bound to be serviceable to mankind, and bear with their faults, we shall perceive there is a common tie of nature and relation between us.

Always follow these two rules: first, act only on what your reasoning mind proposes for the good of humanity, and second, change your opinion if someone shows you it's wrong. This change of mind must proceed only from the conviction that it's both correct and for the common good, but not because it will give you pleasure and make you popular.

If you are pained by external things, it is not they that disturb you, but your own judgement of them. And it is in your power to wipe out that judgement now.

Remind oneself continually of one of those who practiced virtue in days gone by.

How much time he saves who does not look to see what his neighbor says or does or thinks.

Life is a campaign, a brief staying in a strange region.