Famous quotes containing the words mach and/or speed:
“Physics is experience, arranged in economical order.”
—Ernst Mach (1838–1916)
“The correct rate of speed in innovating changes in long-standing social customs has not yet been determined by even the most expert of the experts. Personally I am beginning to think there is more danger in lagging than in speeding up cultural change to keep pace with mechanical change.”
—Mary Barnett Gilson (1877–?)