The beauty of mathematics only shows itself to more patient followers.
数学的美只向更有耐心的追随者展示。
Memory is like the sea, throwing onto the shore what it wants to hide in the depths.
Success is not the key to happiness. Happiness is the key to success. If you love what you are doing, you will be successful.
孔子说：“温习旧知识时，能有新收获，就可以做老师了。”