Because morality is the foundation of being a man. Even if you have some knowledge and skills, it is useless if you are bad at all. -Tao Xingzhi

The greatest happiness of mankind lies in being able to talk about moral issues every day. Life without soul loses the value of life. -Socrates

On the basis of attaching importance to labor and respecting workers, we may create our own new morality. Labor and science are the two greatest forces in the world. Gorky

(I hope to adopt it, thank you ~ ~)