Learn to be indifferent to what makes no difference.

Marcus Aurelius

First say to yourself what you would be; and then do what you have to do.

Epictetus

Now, of all the benefits that virtue confers upon us, the contempt of death is one of the greatest, as the means that accommodates human life with a soft and easy tranquility, and gives us a pure and pleasant taste of living, without which all other pleasure would be extinct.

Michel de Montaigne

When jarred, unavoidably, by circumstances, revert at once to yourself, and don't lose the rhythm more than you can help. You'll have a better grasp of harmony if you keep on going back to it.

Marcus Aurelius

Not everything requires a response.

The Stoic Emperor

Who is your master? Anyone who has control over things upon which you've set your heart, or over things which you seek to avoid.

Epictetus