If you're afraid to fail then you're probably going to fail.
Mathematics is the foundation upon which the edifice of science is built.
成功不在于你赚多少钱，而在于你对人们生活带来的改变。
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.
On earth there is nothing great but man；in the man there is nothing great but mind.
The bitterest creature under heaven is the wife who discovers that her husband's bravery is only bravado.