Who said "Injustice deferred is not justice; it is betrayal."?

This quote is attributed to Mariano Azuela.

Injustice deferred is not justice; it is betrayal. - Mariano Azuela

"Injustice deferred is not justice; it is betrayal."

Mariano Azuela Justice

Novelist Mexican 1873–1952

"The revolution is made by those who dare to dream."

"In the struggle of life, we find our true character."

"Love is the only force that can transform society."

"Wisdom comes not from books alone, but from experience."

"Justice must always prevail."

"You think I'm just some animal?"

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

"Justice is worth fighting for."