The progress of science is not a straight line, but a series of zigzags, sometimes seeming to go backward before a new advance is made.
科学的进步不是一条直线,而是一系列曲折,有时在新的进展之前似乎会倒退。
The goal is not to be right, the goal is to make money.
对幸福的追寻是不幸福的主要原因之一。