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.

Music is my language; I use it to talk to the world.

成功的畜牧养殖关键在于平衡生产效率和动物福利。

人不是为失败而生。一个人可以被毁灭，但不能给打败。