每个数学问题都有一个解决方案;你只需要找到正确的视角。
Every mathematical problem has a solution; you just need to find the right perspective.
The only real voyage of discovery consists not in seeking new landscapes, but in having new eyes.
狗是人类的朋友,因为它看人不分贵贱。
"In every war, there are two truths: the truth of the victors and the truth of the vanquished."