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In times of crisis, true leadership shines.
在危机时刻,真正的领导力才会显现。
The most dangerous poison is the feeling of achievement. The antidote is to think every morning, 'What can be done better?'
The beauty of physics lies in its ability to explain the universe with a few simple principles.
All my life through, the new sights of Nature made me rejoice like a child.