There is no need to get up at night and go to bed at five. The most useless thing is to be frozen for ten days a day. Mao Zedong

I can succeed in science, and the most important thing is my love for science and persistence in long-term exploration. -Darwin

Life is like running a marathon ... only those who persist to the end can be called winners. Daisaku Ikeda

Don't lose heart, as long as you persevere, there will be results in the end. -Qian Xuesen

Life is like an ocean, only a strong-willed person can reach the other side. Marx.

Hope to adopt.