Tomorrow will be better for as long as America keeps alive the ideals of freedom and a better life.

In distributed systems, the key challenge is achieving consensus among unreliable components.

I don’t count the hours I practice, I make the hours count.

It is better by noble boldness to run the risk of being subject to half of the evils we anticipate than to remain in cowardly listlessness for fear of what might happen.

The human heart, at whatever age, opens only to the heart that opens in return.

让儿童参与工作，能增强他们对生活环境的责任感。