关于课程的斗争最终是关于我们希望拥有何种社会的斗争。
You can't just sit there and wait for life to come to you. You have to go get it.
One of the first things taught in introductory statistics textbooks is that correlation is not causation. It is also one of the first things forgotten.
我有一个非常简单的想法,如何变富。第一,花得比赚得少;第二,明智地投资差额。