"Do one thing every day that scares you."

The most damaging phrase in the language is: 'It's always been done this way.'

优秀的侦探听比说多。

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

Common sense is not so common.

数学是一种超越文化和语言障碍的通用语言。