You must be the change you wish to see in the world.
研究心灵就是研究适应行为；每个思想都是生活的工具。
Before I came here I was confused about this subject. Having listened to your lecture I am still confused. But on a higher level.
The best way to own stocks is through an index fund.
材料的使用方式有其政治性。
We are just beginning to scratch the surface of understanding how our bodies perceive the environment.
科学的美在于它能不断给我们带来惊喜。
学无止境者比无所不知者做得更好。