The mind will ever be unstable that has only prejudices to rest on.
I'm not a big fan of the word 'celebrity'. I think it's a very strange concept.
一旦某件事成为激情,动力自然就来了。
The story of chemistry is the story of humanity’s quest to understand the world.
Probable reason, I know not how it is, but I have observed it.
在没有其他信息的情况下,参数的最佳估计是其样本值。