"Love, to be real, must cost. It must hurt. It must empty us of self." -- Mother Teresa
"Should it (Pluto), for historical reasons, be considered a planet like the rest?" -- Owen Gingerich, professor of Astronomy and History of Science emeritus a the Harvard-Smithsonian Center for Astrophysics on the current debate regarding Pluto's status. More here. A tough question.
"How many people here think that bear hibernate?" -- Ranger Randy to his group on the Bear Cave Tour. They don't, but only if you are being uber-technical, which was Ranger Randy's specialty.