好奇心驱动科学,但道德必须引导它。
Curiosity drives science, but ethics must guide it.
"The greatest enemy of knowledge is not ignorance, it is the illusion of knowledge."
The value and utility of any experiment are determined by the fitness of the material to the purpose for which it is used.
所以君子努力做事就会日渐强大,安于嗜欲就日渐苟且,恭敬庄重就日益繁盛。 
成人必须给幼儿提供活动的空间。