世界是一座伟大的山，我们是其中的攀登者。
The world is a great mountain, and we are the climbers.
You don't have to hold a position to be a leader.
【译文】我每天多次省察我自己：为别人做事有没有尽力，和朋友交往有没有不真诚，教别人的东西自己有没有研习好。
"Writing is a way to make sense of the chaos."
数学中最激动人心的时刻是当你看到以前似乎不相关的事物之间的联系时。
"Stories you read when you're the right age never quite leave you. You may forget who wrote them or what the story was called. Sometimes you'll forget precisely what happened, but if a story touches you it will stay with you, haunting the places in your mind that you rarely ever visit."