50 years ago tonight, MLK gave his final speech. His wisdom still brings us to tears.

He died earlier than he should have, but his life changed this nation, and the world, forever.

Preacher. Activist. Martyr. Liberator. Genius. Organizer. Humanitarian. Father. Husband. Human. Martin Luther King Jr. was all of those and then some.

Photo by Reg Lancaster/Daily Express/Hulton Archive/Getty Images.

The charismatic world-changer was assassinated at just 39 years old on April 4, 1968. Having survived a stabbing attack, death threats, time in prison, and brutal threats and unethical surveillance from the FBI, King died with a heart that was in the state of a 60-year-old's.    

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