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Mathematics teaches us to think logically and creatively at the same time.
Change is good. Change is progress. Without change, nothing would ever improve.
人生是一次性的旅行,让我们勇敢地生活,不留遗憾。
【原文】季文子三思而后行。子闻之曰:“再,斯可矣。”【译文】季文子遇事总要思考三次,然后才行动。孔子听说后,说:“思考两次就可以了。”