煤炭的未来取决于我们创新和减少其环境影响的能力。
你必须愿意失败才能成功。
The purpose of life is not to be happy. It is to be useful, to be honorable, to be compassionate, to have it make some difference that you have lived and lived well.
The key to artificial intelligence is the representation of knowledge.
"A book is a world you can hold in your hands."