Author: Marcus Aurelius
Source:
Meditations
He who laughs at himself never runs out of things to laugh at.
Author: Epictetus
Source:
Enchiridion
If evil be spoken of you and it be true, correct yourself, if it be a lie, laugh at it.
Author: Epictetus
Source:
Enchiridion
Nothing is so bitter that a calm mind cannot find comfort in it.
Author: Seneca
Source:
On Tranquility of Mind