Definition & Meaning of "adversity is a great schoolmaster"

What is the origin of the proverb "adversity is a great schoolmaster" and when to use it?

The origin of the proverb "adversity is a great schoolmaster" is not attributed to a specific individual, but it reflects traditional wisdom found across cultures. It emphasizes the idea that struggles and hardships shape character, improve decision-making, and provide insight that might not be gained through easier, more comfortable experiences. The proverb encourages the understanding that while adversity is difficult, it can be an important teacher that leads to personal development and greater wisdom.