在量子力学中，测量的行为可以改变被测量系统的状态。

The leather industry thrives when tradition meets technology—never forget the craft behind the science.

"With a library you are free, not confined by temporary political climates. It is the most democratic of institutions because no one—but no one at all—can tell you what to read and when and how."

Don’t be afraid to fail. Be afraid not to try.