War is not a means to resolve issues, it only reveals the failure of diplomacy.

I don't know where the limits are, but I would like to go there.

Do not think it worthwhile to produce belief by concealing evidence, for the evidence is sure to come to light.

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.

可持续性不是一种选择，而是任何负责任企业的唯一前进道路。

A school should not just be a place to learn, but a place that inspires learning.