正如威尔·罗杰斯（WillRogers）所说，“没有自由变量之类的东西。”
现代生活最深刻的问题源于个人在面对压倒性的社会力量、历史遗产、外部文化和生活技术时，要求保持其存在的自主性和个性。
The only constant is change, continuing change, inevitable change, that is the dominant factor in society today. No sensible decision can be made any longer without taking into account not only the world as it is, but the world as it will be.
质量是工程的生命线，任何时候都不能放松对质量的追求。
人们变得文明，不在于他们愿意相信的程度，而在于他们愿意怀疑的程度。
"If you feel like you're losing everything, remember that trees lose their leaves every year and they still stand tall and wait for better days."