-Gold

Danger is the touchstone of life.

-shirokov

Only in suffering can we know ourselves.

-Health

Suffering and hardship are the highest schools to temper personality.

-Liang Qichao

If you don't know the pain, you are not a hero.

-Hugo

Difficulties are a strict tutor.

Baker

Difficulties arise from efforts to overcome them.

smile

Worry inspires genius.

-Horace

Not everything that helps you is ready-made.

-Ferguson

The most difficult time is the day not far from success.

-Napoleon

What can people do if there are no obstacles in the journey of life?

Bismarck

All things suffer before they are mature.

-Cyrus