I’ve had my best years after fifty. Age is just a number—it’s your attitude that counts. 
我最好的年华是在50岁之后。年龄只是一个数字——重要的是你的态度。
The only way to be truly modern is to be postmodern.
解决全球饥饿的关键不仅是提高产量,还要改善营养质量。
The concept of law is a complex one, involving not only rules but also principles, policies, and standards.