Who said "The more one suffers, the more one gains in wisdom."?

This quote is attributed to Kierkegaard, Søren.

The more one suffers, the more one gains in wisdom. - Kierkegaard, Søren

"The more one suffers, the more one gains in wisdom."

Kierkegaard, Søren Perseverance

Philosopher-Theologian Danish 1813–1855

"Life can only be understood backwards; but it must be lived forwards."

"The most common form of despair is not being who you are."

"Faith is the highest passion in a human being."

"Once you label me, you negate me."

"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."