Suffering is the teacher of life. -Balzac

Fire sees gold, adversity makes heroes. -Seneca

The development of the mineral deposits of human intelligence is inevitably facilitated by adversity, and pressure is needed to make gunpowder ignite. -Dumas

If there is no frost and snow in the sky, pine trees are not as good as grass. If there are no mountains and rivers, who will level the road again? -----------"The Poet Jade Scrap"

Difficulties are the first step to be humane. No matter the stormy disasters or the dangers of storms, anyone who can survive these difficulties safely, whether he is eighteen or eighty, will be a very valuable experience. -------Byron

Being calm in adversity is the acme of elegance. -Joan Ginete

In adversity, people are saved by hope. -Byron

Good luck is enviable, but overcoming bad luck is even more amazing. -seneca

Disaster is the touchstone of human beings. -Freicha

Poverty is like a melting pot, in which great talents will be refined and never corroded, just like diamonds, they can be tempered without being crushed. -Balzac

When nature gives people difficulties, it also adds an intelligence to them. An adage is the easiest to see failure in prosperity, and virtue in adversity. -Francis Bacon

Difficulties strengthen the mind, while labor strengthens the body. -Seneca

The disaster itself is a good medicine. -Cowper

Some disasters are so terrible that we can hardly imagine them. Their appearance makes us shudder. However, once they come to us, we will find ourselves stronger than we thought; We will fight against bad luck and do better than we expected. -Labruyere

Born in sorrow, he died in happiness. -Mencius