The more you know, the more you realize how little you know.
你知道得越多，就越意识到自己知道得多么少。
The world is full of magic things, patiently waiting for our senses to grow sharper.
种一棵树最好的时间是二十年前，其次是现在。
The only way to learn mathematics is to do mathematics.
我不找借口。我寻找解决方案。
爱是我们去世时唯一能够带走的东西，它使得死亡变得如此从容。
We must mine coal responsibly today so that our children inherit both energy security and a healthy environment.
