安德鲁•杰弗瑞，英国人，欧洲最著名的数学老师。作为一名职业魔术师和一位全欧洲学校都在追捧的数学教育家，安德鲁一直在享受着数学世界里的种种魔法。在其20年的教学生涯中，他经常用变戏法的方式带领学生们去探索新的数学概念，帮助孩子们轻松掌握一些很难的概念。被称为 […]
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And I love that even in the toughest moments, when we're all sweating it - when we're worried that the bill won't pass, and it seems like all is lost - Barack never lets himself get distracted by the chatter and the noise. Just like his grandmother, he just keeps getting up and moving forward... with patience and wisdom, and courage and grace.
- Michelle Obama
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