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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.

Silence is the most powerful response.

能源的未來在于多樣化——石油、天然氣、可再生能源及其他。

建筑中最重要的東西是無法被拍攝的。

采礦業的創新不是可選項，而是生存必需。