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数学不是关于数字、方程、计算或算法的:它是关于理解的。
The universe is full of magical things patiently waiting for our wits to grow sharper.
The world is a book, and those who do not travel read only one page.
Success is not about the awards, it's about the journey and the growth.
Authentic happiness comes from identifying and cultivating your most fundamental strengths and using them every day in work, love, play, and parenting.