Happy are those who are interested in research! Happier are those who can free their minds from delusion and free themselves from vanity through research. —— Lametli

Treat the happiness of others as your own happiness, dedicate flowers to others, and keep the thorns to yourself! —— Valdes

As long as you have a reasonable thing to do, your life will be particularly beautiful. —— Einstein

Science is by no means a selfish pleasure. Those who are fortunate enough to devote themselves to scientific research should first use their knowledge to serve mankind. ——Marx

Even if you become a handful of dirt, as long as it is paved on the road to truth and your friends can stride across, it will be the greatest happiness. ——Wu Yunduo

The purpose of all human efforts is to obtain happiness. —— Owen

Only a revolutionary, whether he lives or dies, can bring happiness to everyone. ——Lu Xun

Cows eat grass and horses eat food. Cows enjoy the least and contribute the most, so it is best to be a scalper. I am willing to serve the party and the people as a scalper for the rest of my life. ——Wang Jinxi

People gain happiness when they perform their duties. It's like a person carrying something on his back, but he feels very comfortable. If a person does not have it and does not perform any duties, it is like driving an empty car, that is, it is wasted. —— Rozov

My art should only benefit poor people.

Ah, what a happy moment! How happy I will be when I can come close to this! ——Beethoven