A forest without diversity is like a library with only one book.
All things are in a state of flux.
没有人会发动战争——或者说,理智的人不应该这样做——除非他首先清楚自己希望通过战争实现什么目标以及如何指挥战争。
"We must continue to push the boundaries of what is possible in science, for the betterment of humanity."