The most dangerous poison is the feeling of achievement. The antidote is to think every morning, 'What can be done better?'

惩罚应当着眼于未来而非过去。

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.

建筑是一种挑战，是对自我的挑战。