全人类...都是平等和独立的，任何人都不应伤害他人的生命、健康、自由或财产。

We begin with the hypothesis that any subject can be taught effectively in some intellectually honest form to any child at any stage of development.

The system produces needs faster than it can satisfy them.

设计实验的最佳时间是在你完成它之后。

The most important experiments are the ones that challenge what we think we know.