你应该向你的竞争对手学习，但永远不要抄袭。抄袭你就会死。
You should learn from your competitor, but never copy. Copy and you die.
The essence of liberty is the ability to pursue one’s own goals without arbitrary interference from others.
天空是极限，对吧？
永远不要低估微小改进的力量——它们会随着时间累积。
My work is my response to the world.
The pursuit of mathematical truth is a deeply personal and profoundly universal endeavor.