蒲朗克(Max Planck): 「新的科學真理並不是靠使他的反對者信服。不如說是因為他的反對者終於死了,而在成長的新的一代是熟悉它的。」(“A new scientific truth does not triumph by convincing its opponents and making them see the light, but rather because its opponents eventually die, and a new generation grows up that is familiar with it.”)