Life is a campaign, a brief staying in a strange region.
Everything that happens happens as it should, and if you observe carefully, you will find this to be so.
Tomorrow is nothing, today is too late; the good lived yesterday.
Without a purpose, nothing should be done.
This is moral perfection: to live each day as though it were the last; to be tranquil, sincere, yet not indifferent to one's fate.
Retire into thyself. The rational principle which rules has this nature, that it is content with itself when it does what is just, and so secures tranquility.