The most powerful tool in science is not technology, but imagination.

The pursuit of knowledge in computer science is a journey through the landscape of logic and creativity.

"Memory is a complicated thing, a relative to truth, but not its twin."

教育是使人变得有道德的艺术。

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.