The chief function of the city is to convert power into form, energy into culture, dead matter into the living symbols of art, biological reproduction into social creativity.
Lewis MumfordWithout leisure there can be neither art nor science nor fine conversation, nor any ceremonious performance of the offices of love and friendship.
Lewis MumfordA certain amount of opposition is a great help to a man. Kites rise against, not with, the wind.
Lewis Mumford