模型的好坏取决于其假设。

The dead are not powerless. Dead, did I say? There is no death, only a change of worlds.

I think that's one of the most important things in life: to feel good about yourself.

The future belongs to those who embrace change and drive it.

我们不仅仅是基因的产物，更是自身经验的建筑师。

我们开采的最宝贵资源不是煤炭，而是我们员工的才能和奉献精神。