家庭是一个生产和消费商品与服务的小工厂。

我不相信运气，我相信准备遇到机会。

"We are all prisoners of our own memories, and the key to freedom lies in understanding them."

The key to solving global hunger is not just increasing yield, but improving nutritional quality.

计算理论不仅仅是关于解决问题，还涉及理解可计算性的极限。

The challenge of leadership is to be strong, but not rude; be kind, but not weak; be bold, but not bully; be thoughtful, but not lazy; be humble, but not timid; be proud, but not arrogant; have humor, but without folly.