Several times in Earth's history, rapid global warming occurred, apparently spurred by amplifying feedbacks. In each case, more than half of plant and animal species became extinct. New species came into being over tens and hundreds of thousands of years. But these are time scales and generations that we cannot imagine. James Hansen
Jerome Kagan, the Harvard psychologist, only hires people who are anxious, because he thinks they are better and more conscientious workers. I do think that being afraid of failing spurred me to do more and more and ask more questions, but there are ways it holds me back. There are reporting trips I haven't gone on. It's a mixed blessing at best. Scott Stossel
My mum said to me once years ago, which really spurred me on, 'You're the funniest person I know'. I loved that. Miranda Hart
Agribusiness could provide an opportunity for joint Israeli-Palestinian projects, spurred on by Israeli technical expertise in this field. Edgar Bronfman, Sr.