The greatest single achievement of computer science is the development of the concept of the algorithm.

经济学家需要三种伟大的智力才能：感知、想象和理性；而最重要的是他需要想象力。

记忆既是我们的监狱，也是我们通往自由的唯一道路。

"Every frame is a painting, and the camera is your brush."

The six colors， including the white background， represent the colors of all the world's flags ... this is a true international emblem.