If you are distressed by something, it is due to your own estimate of it; and you have the power to change it at will.
Marcus AureliusTake away your opinion, and then there is taken away the complaint, 'I have been harmed.' Take away the complaint, 'I have been harmed,' and the harm is taken away.
Marcus AureliusEven while a thing is in the act of coming into existence, some part of it has already ceased to be.
Marcus Aurelius