We don't have anything to lose, which is a very liberating feeling.
我们没有什么可失去的，这是一种非常自由的感觉。
In science, we must be interested in things, not in persons.
要将一个国家从最低级的野蛮状态带到最高度的富裕，所需的几乎只有和平、低税收和较为合理的司法管理。
We must always question our assumptions and be willing to revise our theories in light of new evidence.
Emotions are not just reactions; they are also predictors of our future behavior.
Hardware is the skeleton of innovation, software is its nervous system, but human need is its beating heart.
The universe is a machine for the production of gods.