The tears of the world are a constant quantity. For each one who begins to weep, somewhere else another stops. The same is true of the laugh.
发现可能性的极限的唯一方法是超越它们进入不可能的领域。
我不想性感,我想成为标志。
拓扑学是对图形在任何变形下保持不变的性质的研究。