The truth is always exciting. Speak it, then. Life is dull without it.

The discovery of the genetic code was a monumental step in understanding the molecular basis of life.

写作是为无形之物赋予形状。

科学并不试图解释，甚至几乎不试图诠释，它主要是构建模型。

从n对观测值的样本中获得的相关系数的可能误差是sqrt((1-r²)/(n-2))。