书是你握在手中的一个梦。

心理过程是在生存斗争中的手段。

To understand the electron is to understand the foundation of our technological civilization.

When you focus on doing what's right rather than what's easy, success follows naturally.

计算机科学中的挑战不仅仅是解决问题，而是找到正确的问题来解决。