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数学是人类精神最美丽和最强大的创造。
Mathematics is the most beautiful and most powerful creation of the human spirit.
Sustainability is not just about materials but about sustaining people's lives and dignity.
当你遇到反对时,即使它来自你的丈夫或你的孩子,也要努力通过争论而不是权威来克服它,因为依赖权威的胜利是不真实和虚幻的。
对于好的建议,唯一能做的就是传递它。它对自己从来没有任何用处。
Leadership is about making tough decisions today that will benefit everyone tomorrow.