The magic number 150 suggests that the size of our social networks is limited by the size of our brains.

写作是一种个人自由的形式。它使我们从我们周围正在形成的大众身份中解放出来。

Always strive for excellence, not perfection.

相对论是一种原理性理论，而非构造性理论。

"Justice is not always black and white; sometimes it's a shade of grey."

大脑在你20多岁时完成了第二次也是最后一次生长突增，为成年期重新布线。