The problem is not that we laugh too much， but that we laugh about everything.

数学不是沿着一条清理得很好的高速公路小心行进，而是进入一个陌生的荒野的旅程，探险者常常会迷路。

We must challenge the status quo to find better ways of doing things.

世界上已经有太多谎言，不幸的是，它们一半都是真的。