人类大脑由许多专门化的神经回路组成，这些回路进化出来是为了解决我们祖先在进化历史中面临的特定问题。
The human brain consists of many specialized circuits that evolved to solve specific problems our ancestors faced during our evolutionary history.
What I want to talk to you about today is the difference between gifts and choices. Cleverness is a gift， kindness is a choice. Gifts are easy -- they're given after all. Choices can be hard. You can seduce yourself with your gifts if you're not careful， and if you do， it'll probably be to the detriment of your choices.
艺术不是奢侈品，而是必需品。
谁也没有意识到，有些人耗费了极大的精力，仅仅只为了成为普通人。
Inflation is a very bold idea, but it seems to be the only way to explain the observed features of the universe.
海洋将我们所有人联系在一起，对它的管理需要全球团结。