写作是唯一一个如果你赚不到钱也没人会觉得你可笑的职业。

The improvement of the productive powers of labor, and the greater part of the skill, dexterity, and judgement with which it is anywhere directed or applied, seem to have been the effects of division of labor.

"Memory is a fragile thing, easily distorted by time and emotion."

我的科学研究给我带来了极大的满足；我深信，用不了多久，全世界都会承认我的工作成果。

The greatest use of life is to spend it for something that will outlast it.

Vegetable planting is not only production but also a responsibility. We must be responsible for the health of consumers.

关于神，我不知道他们是否存在，也不知道他们的形态是什么样子的；因为有许多事情阻碍了确切的知识，包括事物的晦涩和人类生命的短暂。