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。
农业的未来在于科技和可持续发展。
数学家的工作大多是孤独的追求，但它建立在许多其他人的工作之上。
I'm not afraid to take a stand. Everybody come take my hand. We'll walk this road together, through the storm. Whatever weather, cold or warm. Just letting you know that you're not alone. Holler if you feel like you've been down the same road.
Hustle until your haters ask if you're hiring.
"The past is always with us, but it doesn't have to define our future."
工程事业必须学术和经验相辅相成，仅靠空谈绝对难以胜任。
世界就是它本来的样子；那些什么都不是的人，那些允许自己变得什么都不是的人，在这个世界上没有立足之地。