Because of his relentless persistence's to fight for Racial equality. He never gave up and was imprisoned 27 years because of his perseverance to make everyone white or black equal.
Magna Carta Libertatum, commonly called Magna Carta, is a charter agreed to by King John of England at Runnymede, near Windsor, on 15 June 1215
Means the speaker will never fight if he can get it by assaulting people and will never assault people if he can make them understand what he say.
