学习数学的唯一方法就是做数学。
The only way to learn mathematics is to do mathematics.
能源的未来是多元化的。没有任何单一能源可以满足世界的所有需求。我们需要所有能源协同工作。
I'm not a businessman; I'm a business, man!
People are mostly shaped by their genes and their environment, but within those constraints, they have some freedom to choose their own path.