A true friend is the one who holds your hand and touches your heart.

Lock up your libraries if you like; but there is no gate, no lock, no bolt that you can set upon the freedom of my mind.

Understanding the limits of computation is as important as pushing its boundaries.

每个城市都有性别和年龄，这与人口统计无关。

Sometimes it's the journey that teaches you a lot about your destination.

未来属于那些能够跨越界限合作的人。