当每个灵魂的镜子中都能反映出整个社区，当社区中每个人的美德都活跃时，健康的社会生活就出现了。
The healthy social life is found when in the mirror of each human soul the whole community finds its reflection, and when in the community the virtue of each one is living.
两个灵魂的相遇就像两种化学物质的接触：一丁点的反应就会彻底改变它们。
The history of mathematics is a history of human thought and progress.
如果你不偶尔失败，说明你没有在做真正创新的事情。
Stop being afraid of what could go wrong and think of what could go right.
The true architecture of our time will be one that reflects our spiritual needs.