数学不是关于数字、方程、计算或算法的:它是关于理解的。
Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.
异端是生活的诗歌,所以有异端思想是无伤于一个诗人。
人类与牲畜之间的联系是历史上最古老、最重要的伙伴关系之一。
Everything can be taken from a man but one thing: the last of the human freedoms—to choose one's attitude in any given set of circumstances.