没有熟练的操作者，最先进的机械也毫无意义。

我的目标很简单。那就是完全理解宇宙，为什么它是这样的，以及它为什么存在。

我的心灵也正是这样，倾身向往对你聆听；就像夏季海洋的浪潮，充满温柔的感情。

We must listen to the whispers of the ancestors, for they hold the wisdom of the ages.

Every improvement in the circumstances of the society tends either directly or indirectly to raise the real rent of land, to increase the real wealth of the landlord, his power of purchasing the labour, or the produce of the labour of other people.

"The only thing that is truly infinite is the human imagination."

耐心和坚持是科学发现的无名英雄。