Science is the knowledge of consequences, and dependence of one fact upon another.
In man-machine symbiosis, it is man who must adjust: The machines can't.
The most beautiful people we have known are those who have known defeat, known suffering, known struggle, known loss, and have found their way out of the depths.
能竭忠尽孝，才能称为人。治国安邦称为学问。能平定叛乱称为人才，编织天地事物称为文章。心胸光明坦荡称为风度。万物与我一体称为仁心。
Psychology is a science, and teaching is an art; and sciences never generate arts directly out of themselves.
"I don't write for children. I write for people."