The highest form of theory is the ability to simplify complex things into simple and clear principles.
理论的最高形式是能够将复杂的事物简化为简单而清晰的原理。
The modern world has made us free, but it has also made us miserable.
真正的艺术必须为人民服务,而不是为精英服务。
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.