弟子不必不如师，师不必贤于弟子。弟子超过老师，是很正常的事情，这也是正是老师所希望的。

There are tracts in my life that are bare and silent. They are the open spaces where my busy days had their light and air.

The collaboration between theory and experiment is essential for the advancement of physics.

The most important thing in communication is hearing what isn't said.

"The world is full of stories, but only a few are worth telling."