• Optimists are usually wrong. But all the great change in history, positive change, was done by optimists.

    Thomas Friedman: Optimists are usually wrong. But all the great change in history, positive change, was done by optimists.
    "Thomas Friedman: Hope for a hot, flat and crowded world". Interview with Elizabeth Kolbert, www.theguardian.com. October 10, 2008.