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Silverstein has never been known as a patron of architecture: 7 World Trade Center was one of the uglier buildings in lower Manhattan, which is saying something. But this is a historic undertaking; it brings out the visionary in everybody. And at age 71, Silverstein knows what the word legacy means--or what it might mean. "I want this to be a timeless development," he says. Then again, who doesn't? All that we need now to achieve real greatness--to produce something that does honor to the people who died there, to the people who loved them and to all the rest of us--is for everyone to live up to those sentiments.