Which verse in it is a verse that metaphorically goes through hardships?

The Song of Lime

Author: Yu Qian

Thousands of hammers carved out the mountains, and the fire burned them as if nothing happened.

Don’t be afraid of being shattered into pieces, you must remain innocent in this world.

Bamboo and Stone

Author: Zheng Banqiao

Don’t let go of the green mountains, the roots are still in the broken rocks.

After countless hardships, I am still strong, regardless of the wind from east to west, north or south.

Born in sorrow, died in happiness

Author: Mencius

Therefore, when Heaven is about to assign a great responsibility to a man, he must first work hard on his mind and body, and then work his bones and muscles. His skin is starved, his body is depleted, and his behavior is disturbed, so his mind and forbearance have benefited him beyond what he could do.