Black Power alone is no more insurance against social injustice than white power. – Martin Luther King,Jr., Where Do We Go from Here: Chaos or Community?, 1967

But alas! Science cannot now rescue us, for even the scientist is lost in the terrible midnight of our age. Indeed, science gave us the very instruments that threaten to bring universal suicide. – Martin Luther King,Jr., Strength to Love, 1963

If a man is called a streetsweeper, he should sweep streets even as Michelangelo painted, or Beethoven composed music, or Shakespeare wrote poetry. He should sweep streets so well that all the hosts of heaven and Earth will pause to say, Here lived a great streetsweeper who did his job well. – Martin Luther King,Jr.

The means by which we live have outdistanced the ends for which we live. Our scientific power has outrun our spiritual power. We have guided missiles and misguided men. – Martin Luther King,Jr., Strength to Love, 1963