The laws that forbid the carrying of arms are laws of such a nature. They disarm only those who are neither inclined nor determined to commit crimes.... Such laws make things worse for the assaulted and better for the assailants； they serve rather to encourage than to prevent homicides， for an unarmed man may be attacked with greater confidence than an armed man.
禁止持有武器的法律。只会解除那些本来就不打算或没有决心要犯罪的人的武装……这样的法律只会让受害者变得更糟，让行凶者更强；它们相当于鼓励而不是阻止凶杀，因为一个没有武装的人更可能被一个武装的人袭击。
To every action there is always opposed an equal reaction； or， the mutual actions of two bodies upon each other are always equal， and directed to contrary parts.
找出一个人最适合做的并保障他(她)能够去做的机遇环境，是通往幸福的关键。
计算机科学家最重要的技能是解决问题。能够提出问题，创造性地思考解决方案，并清晰准确地表达解决方案。
我们必须在经济增长与环境责任之间取得平衡。
Vulnerability is not weakness, it's radical honesty.
有记者问：“您的最终理想目标是什么？”张瑞敏回答说。