The design of algorithms is both an art and a science.
当我在那日子的终了，站在您的面前时，您将看见我的伤疤，而知道我有我的许多创伤，但也有我的医治的法儿。
自然界的铁律是：你得到你所奖励的。如果你想让蚂蚁来，你就在地板上撒糖。
There is nothing in the world so irresistibly contagious as laughter and good humor.
The poet is the brother of the dreamer and the madman.
