He is a wise man who does not grieve for the things which he has not, but rejoices for those which he has.
There is only one way to happiness and that is to cease worrying about things which are beyond the power of our will.
Either God wants to abolish evil, and cannot; or he can, but does not want to.
All philosophy lies in two words, sustain and abstain.
Make the best use of what is in your power, and take the rest as it happens.
I laugh at those who think they can damage me. They do not know who I am, they do not know what I think, they cannot even touch the things which are really mine and with which I live.