True sustainability means leaving the land better than we found it for future generations.

U.S. energy independence doesn't mean isolation - we're still part of global markets.

The purpose of life is not to be happy. It is to be useful, to be honorable, to be compassionate, to have it make some difference that you have lived and lived well.

空白页是建筑中最可怕也最令人兴奋的时刻。