Who said "Injustice anywhere is a threat to justice everywhere."?

This quote is attributed to Marius Pontmercy.

Injustice anywhere is a threat to justice everywhere. - Marius Pontmercy

"Injustice anywhere is a threat to justice everywhere."

Marius Pontmercy Justice

Character in Les Misérables

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"Love is a terrible thing; it breaks us."

"To die is nothing; but it is terrible not to live."

"To be in love is to see yourself through someone else's eyes."

"To die for one's country is such a beautiful thing."

"Justice must always prevail."

"You think I'm just some animal?"

"Fighting for what's right never gets easier."

"Justice is worth fighting for."