你最不满意的客户是你最大的学习来源。

The end of history will be a very sad time. The struggle for recognition, the willingness to risk one's life for a purely abstract goal, the worldwide ideological struggle that called forth daring, courage, imagination, and idealism, will be replaced by economic calculation, the endless solving of technical problems, environmental concerns, and the satisfaction of sophisticated consumer demands.

The artist must learn to see, to observe, to feel, and to think.

Science is not about being the first; it's about being patient and persistent.