最好的故事是那些让你有所感受的故事。
The only way to learn mathematics is to do mathematics.
你围绕发生在自己身上的事情构建生活。
You have to expect things of yourself before you can do them.
Modern quarrying must marry the wisdom of geology with the innovation of engineering.
A moment is a small piece of time, but it can be a very important piece of time.