实现明天理想的唯一障碍是今天的疑虑。
做出伟大工作的唯一方法就是热爱你所做的事情。
写一本书就像去一个未知的国度旅行。
The purpose of computation is insight, not numbers.
Technology should serve people, not control them.
The essence of a free government consists in an effectual control of rivalries.
最深刻的发现往往来自于提出最简单的问题。