To have a confident attitude, please learn to learn you do not have to learn the knowledge.
你越是赞美和庆祝生活，生活中值得庆祝的事情就越多。
Profit should never come at the expense of people or the planet.
"I don't believe in happy endings. Life doesn't have them, so why should literature?"
数学研究是一次进入未知的旅程，每一次发现都为新的谜题打开了大门。