唯一的限制存在于你的脑海中。
The only limits that exist are the ones in your mind.
The man who is fit to work at any particular trade is unable to understand the science of that trade without the help and guidance of those who are working with him or over him.
当没有人相信你时，你必须相信自己——这让你立刻成为赢家。
The future of an enterprise lies in innovation, not imitation.
世界是一本伟大的书，从不离家的人只读了一页。