It is difficulties that show what men are. For the future, in case of any difficulty, remember that God, like a gymnastic trainer, has pitted you against a rough antagonist. For what end? That you may be an Olympic conqueror; and this cannot be without toil.
EpictetusHappiness and freedom begin with a clear understanding of one principle: Some things are within our control, and some things are not.
Epictetus