If people did not sometimes do silly things， nothing intelligent would ever get done.
如果人们有时不做愚蠢的事情，就不会有聪明的事情发生。
The greatest sweetener of human life is Friendship. To raise this to the highest pitch of enjoyment, is a secret which but few discover.
Understanding the computational complexity of learning problems is essential for developing efficient algorithms.
我不是说唱歌手，我是一个导演的传奇。