The study of logic is not just about formal systems, but about understanding the nature of human reasoning.
逻辑学研究不仅仅是关于形式系统,更是关于理解人类推理的本质。
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.
我不需要理由去做我自己。