Who said "Mercy is the only true power."?

This quote is attributed to Jean Valjean.

Mercy is the only true power. - Jean Valjean

"Mercy is the only true power."

Jean Valjean

Character in Les Misérables

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"I am the master of my fate, I am the captain of my soul."

"The only real prison is fear, and the only real freedom is freedom from fear."

"Compassion is not weakness."

"The night is friendly."