制造链式反应机器的根本点当然是确保每次裂变产生一定数量的中子，其中一些中子将再次产生裂变。
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.
The masses are not a referent, they are an object.
The secret of change is to focus all of your energy, not on fighting the old, but on building the new.
发现可能性的极限的唯一方法就是超越它们进入不可能。
音乐是我的生命，没有音乐我活不下去。