书是一个你可以握在手中的世界。
"A book is a world you can hold in your hands."
Always keep your knife sharp, your wits sharper, and your spirit sharpest.
Lithium-ion batteries revolutionized portable electronics, but we must push beyond their limitations.
我想写一本既有趣又能让人思考的书。
Every man has his secret sorrows which the world knows not; and often times we call a man cold when he is only sad.