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Sustainability isn’t an option; it’s the only way forward.
What I remember above all about Harvard was being in the midst of so much energy and intelligence. It could be exhilarating, intimidating, sometimes even discouraging, but always challenging. It was an amazing privilege…and though I left early, I was transformed by my years at Harvard, the friendships I made, and the ideas I worked on.
纠缠不仅仅是量子理论的一个奇特特征,它是量子力学的标志性特征。
质量不是一种行为,而是一种习惯。