我们都被某些东西困扰着，不是吗？

The only limits in life are those you impose on yourself.

Every nanometer advancement in manufacturing process represents the hard work of countless engineers.

"The beauty of literature lies in its ability to connect us across time and space."

Learning is a lifelong journey.

定理当然是数学的永久财富。

I’ve found time alone can be the most productive.

穷人不仅仅是消极的受害者；他们是试图在艰难世界中航行的积极行动者。