2. Fire sees gold, adversity makes heroes. -Seneca

3. Disaster is the touchstone of human beings. -Freicha

4. Born in sorrow and died in happiness. -Mencius

5. Warriors are marching on the road full of thorns. -ovid

I hope my answer is helpful to you, and I hope it will be adopted in time, O(∩_∩)O Thank you.