Who said "The soul purifies through hardship and trial."?

This quote is attributed to Al-Ghazali.

The soul purifies through hardship and trial. - Al-Ghazali

"The soul purifies through hardship and trial."

Al-Ghazali Perseverance

Theologian-Philosopher Persian 1058–1111

"Knowledge is the life of the mind."

"The ink of the scholar is more holy than the blood of the martyr."

"Whoever knows himself knows his Lord."

"The greatest blessing after health is a faithful friend."

"Perseverance is the key to success."

"Don't give up on what you believe in."

"I've been through worse."

"You learn to live with the pain."