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be optimistic, ladies and gentlemen, as it can give you confidence and help you see yourself through the hard times, just as Winston Churchill once said, An optimist sees an opportunity in every calamity。 if not, the explosives and the prestigious Nobel Prize would not have e into being. And Lance Armstrong is also optimistic。 you never can tell what they are going to do. ill sit down. 樂(lè)觀的英語(yǔ)演講稿 To Be an Optimistic Person Do you see the glass as halffull rather than all empty? The two different answers to this question represent two different attitudes towards life optimistic attitude and pessimistic attitude. Optimism always leads to happiness, health and success while pessimism, by contrast, results in hopelessness, s