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。
Models are not crystal balls, but they are the best tools we have to understand the future.
商业中最大的风险是根本不冒任何风险。
We must act now, because the ocean’s decline is a crisis we cannot ignore.
投资的好处在于你不需要对每个扔过来的球挥棒。投资诀窍就是坐在那里看着一个个扔来的球，并且等待打到你的最佳位置的那个。
生命的轨迹始于无始的境域，变化形成于相互依存的场所。
Deep learning is a powerful tool for solving complex problems.