The process of grouping, of organization, is not arbitrary but follows definite laws.

We don't inherit the earth from our ancestors; we borrow it from our children.

我不喜欢安逸，我喜欢被挑战。

We come nearest to the great when we are great in humility。

人类的未来取决于我们理解和操纵量子世界的能力。

父亲不慈爱，子女就不会孝顺；兄长不友爱，弟弟就不会恭敬；丈夫不仁义，妻子就不会顺从。