永远不要在质量上妥协——你的品牌只和你最弱的产品一样强大。
Never compromise on quality—your brand is only as strong as your weakest product.
真理的概念与自由的概念不可分割。
知识最大的敌人不是无知，而是知识的幻觉。
学习新编程语言的唯一方法就是用它编写程序。
"In the middle of difficulty lies opportunity."
Investing in cleaner coal technologies is investing in our planet's future.
To be a writer is to be a professional observer.