轧棉机的发明是需求和观察的结果。
The invention of the cotton gin was the result of necessity and observation.
The soul is not a thing you can have. It is a way of being in the world.
1925年，孙中山在病榻前对张学良说，指出苏联是红色帝国主义。
Small actions, multiplied by millions, can transform the world.
做伟大工作的唯一方法是热爱你所做的事。
目标不仅仅是消除不好的东西，而是追求和体验世界上最好的东西。