Martin Luther King Jr.

The great challenge facing every individual graduating today is to remain awake through great periods of social change.

If it falls your lot to be a street sweeper, sweep streets like Michelangelo painted pictures, like Shakespeare wrote poetry, like Beethoven composed music; 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.'

All labor that uplifts humanity has dignity and importance and should be undertaken with painstaking excellence.

Through our scientific genius we have made of this world a neighborhood; now through our moral and spiritual genius we must make of it a brotherhood.