What are the ancient poems about "strong will"?

"The Ode of Lime" - Yu Qian

The chant of lime is chiseled out of the deep mountains with thousands of hammers, and the fire burns as if it were nothing. Don't be afraid of your bones being shattered into pieces, you want to leave the green and white in the world.

"Bamboo and Stone" - Zheng Xie

Don't let go of the green mountains, and keep your roots in the broken rocks. It has endured thousands of blows but is still strong, regardless of the winds from east to west, north and south.

"Crossing the Lingding Ocean" - Wen Tianxiang

After a hard encounter, only a few stars were scattered around. The mountains and rivers are broken, the wind flutters and the catkins float, and the life experience is ups and downs. Afraid to say panic on the beach, sigh alone in the ocean. Since ancient times, no one has died, leaving a loyal heart to illuminate history.

Idioms describing strongness:

Unswerving: stable and strong, unwavering.

Reinforced steel and iron bones: The muscles and bones are like those made of steel. Describes a strong and strong body or a strong and unyielding will.

Perseverance: a metaphor for not giving in under pressure and being very tenacious.

Standing proudly: Standing proudly refers to a strong and unyielding appearance. To stand upright means to stand tall like a mountain.

Describes strong and unshakable