It is difficulties that show what men are.
That which does not kill us makes us stronger.
Difficulties strengthen the mind, as labor does the body.
Kites rise highest against the wind, not with it.
I will seize fate by the throat; it shall certainly never wholly overcome me.
There is no better teacher than adversity. Every defeat, every heartbreak, every loss, contains its own seed, its own lesson on how to improve your performance next time.
The ultimate measure of a man is not where he stands in moments of comfort and convenience, but where he stands at times of challenge and controversy.
The demon that you can swallow gives you its power.
It is more useful to watch a man in times of peril, and in adversity to discern what kind of man he is; for then at last words of truth are drawn from the depths of his heart.
When Heaven is about to confer a great office on a man, it first exercises his mind with suffering, and his sinews and bones with toil.
I have been bent and broken, but - I hope - into a better shape.
When you're scared, when you're hanging on, when life is hurting you, then you're going to see what you're really made of.
He who hasn't tasted bitter things hasn't earned sweet things.
Every adversity, every failure, every heartache carries with it the seed of an equal or greater benefit.
The Stoic does not seek to avoid difficulty but to avoid being defeated by it.