"The past is a ghost that haunts the present, whether we acknowledge it or not."

"The greatest glory in living lies not in never falling, but in rising every time we fall."

He said that the world was made for men to fight in and that the worth of a thing was the worth of the fight for it.

每个女人都应该受到尊重和尊严的对待。

Collaboration is key in modern research—no single mind can solve the grand challenges alone.

The fundamental point in fabricating a chain reacting machine is of course to see to it that each fission produces a certain number of neutrons and some of these neutrons will again produce fission.