"You can't go back and change the beginning, but you can start where you are and change the ending."
你无法回到过去改变开头，但可以从现在开始改变结局。
Abstraction is the key to managing complexity in software systems.
Golf is a game that is played on a five-inch course—the distance between your ears.
在一个快速变化的世界里，适应能力是最终的竞争优势。
Stay focused, focus on your goals.