Mathematics is the music of reason.
数学是理性的音乐。
Look up at the stars and not down at your feet. Try to make sense of what you see, and wonder about what makes the universe exist. Be curious.
教育儿童,就不需要惩罚成年人。
最甜美的果实往往来自最艰难的时节。
复杂的问题往往有简单的答案。