未来不是我们进入的，而是我们创造的。
The true discovery of America is before us. The true fulfillment of our spirit, of our people, of our mighty and immortal land is yet to come.
经济学的目标是理解如何以最高效的方式分配稀缺资源。
儿童首先发挥功能的是感觉器官。
解释：往往在你觉得是轻而易举的时候，困难也就跟着来了。
The best literature is born from conflict, from the struggle between desire and morality.
The robustness of topological states against local perturbations is a testament to the power of topology in protecting quantum information.