“Life’s persistent and most urgent question is ‘What are you doing for others?’ ”

“If it falls to your lot to be a street sweeper, sweep streets like Michelangelo painted pictures, sweep streets like Beethoven composed music ... Sweep streets like Shakespeare wrote poetry. Sweep streets so well that all the host of heaven and earth will have to pause and say: Here lived a great street sweeper who swept his job well.”

“Something is happening in Memphis; something is happening in our world. And you know, if I were standing at the beginning of time, with the possibility of taking a kind of general and panoramic view of the whole of human history up to now, and the Almighty said to me, "Martin Luther King, which age would you like to live in?" I would take my mental flight by Egypt and I would watch God's children in their magnificent trek from the dark dungeons of Egypt through, or rather across the Red Sea, through the wilderness on toward the promised land. And in spite of its magnificence, I wouldn't stop there. I would move on by Greece and take my mind to Mount Olympus. And I would see Plato, Aristotle, Socrates, Euripides and Aristophanes assembled around the Parthenon. And I would watch them around the Parthenon as they discussed the great and eternal issues of reality. But I wouldn't stop there. I would go on, even to the great heyday of the Roman Empire. And I would see developments around there, through various emperors and leaders. But I wouldn't stop there. I would even come up to the day of the Renaissance, and get a quick picture of all that the Renaissance did for the cultural and aesthetic life of man. But I wouldn't stop there. I would even go by the way that the man for whom I am named had his habitat. And I would watch Martin Luther as he tacked his ninety-five theses on the door at the church of Wittenberg. But I wouldn't stop there. I would come on up even to 1863, and watch a vacillating President by the name of Abraham Lincoln finally come to the conclusion that he had to sign the Emancipation Proclamation. But I wouldn't stop there. I would even come up to the early thirties, and see a man grappling with the problems of the bankruptcy of his nation. And come with an eloquent cry that we have nothing to fear but "fear itself." But I wouldn't stop there.”

“We must learn to live together as brothers or perish together as fools”

“The more I thought about human nature, the more I saw how our tragic inclination for sin/mistakes causes us to use our minds to rationalize our action.”

“A riot is the language of the unheard”

“Wars are poor chisels for carving out peaceful tomorrows.”

“Man is not made for the state; the state is made for man. To deprive man of freedom is to relegate him to the status of a thing, rather than elevate him to the status of a person. Man must never be treated as a means to the end of the state, but always as an end within himself.”

“We will have to repent in this generation not merely for the hateful words and actions of the bad people but for the appalling silence of the good people.”

“«La oscuridad no puede conducirte fuera de la oscuridad: sólo la luz puede hacer eso. El odio no puede conducirte fuera del odio; sólo el amor puede hacer eso»”

“Morality cannot be legislated, but behavior can be regulated. Judicial decrees may not change the heart, but they can restrain the heartless.”

“Until justice rolls down like water and righteousness like a mighty stream.”

“One has not only a legal but a moral responsibility to obey just laws. Conversely, one has a moral responsibility to disobey unjust laws. I would agree with St. Augustine that ' an unjust law is no law at all.”

“Only a "dry as dust" religion prompts a minister to extol the glories of Heaven while ignoring the social conditions that cause men an Earthly hell.” 

“As a young man with most of my life ahead of me, I decided early to give my life to something eternal and absolute. Not to these little gods that are here today and gone tomorrow. But to God who is the same yesterday, today, and forever.”