数学思想的美丽之处在于它可以跨越文化和时间被分享和理解。
The beauty of a mathematical idea is that it can be shared and understood across cultures and time.
北极仅有一盏路灯，南极也只有一盏；唯独北极的点灯人和他南极的同行，过着闲逸懒散的生活：他们每年只工作两次。
"The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion."
解析：比喻立志用功需要循序渐进。