I want to liberate America from fear. I want people to be afraid of the things that are really scary, like war and famine, not their neighbor because he has a different religion.
计算理论为理解什么可以计算、什么不能计算提供了基础。
I don't chase trends, I set them.
The most dangerous risk is refusing to take any risks at all.
The power to edit genes comes with great ethical obligations.
文学的美在于它能够连接我们，让我们在宇宙中感到不那么孤独。
The world is a great clock, and we are the hands.