他是这样描述几百人旁观一战俘被鞭挞的心理活动的:"So they saw, but they did not see; so they heard, but they did not hear; and they knew, they knew it all, but still they tried not to know."
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.
它是科技史家或科学哲学家托马斯•库恩(Kuhn T. S.)在一本书《科学变革的结构》或《科学革命的结构》(The Structure of Scientific Revolutions. Chicago: Chicago University Press. 1970)中引用马克斯·普朗克(Max Karl Ernst Ludwig Planck)的一句名言。