人们为了生存，会去杀害别人。

权力从来不是无辜的，无辜从来不是强大的。

检验统计假设的问题由来已久，其起源已不可考。

The best solutions often come from listening to those who work on the water every day.

Our heroes are human heroes. That's a very new situation. Most other societies have had, right at their center, the worship of something transcendent: a god, a spirit, a natural force, the universe, whatever it is -- something else that is being worshiped. We've slightly lost the habit of doing that, which is, I think, why we're particularly drawn to nature.

你越热爱你所做的事情，你就会越成功。

"In a world without God, we must create our own meaning, even if it is ultimately meaningless."

思想的自由是最珍贵的自由。