"You have to dream, you have to have a vision, and you have to set a goal for yourself that might even scare you a little because sometimes that seems far beyond your reach."

The world is full of obvious things which nobody by any chance ever observes.

"To understand a society, look at its trash."

The beauty of physics lies in its ability to explain the simplest phenomena with the most profound theories.

臣下都不说真话，君王隐蔽的过错就多。