Husband is expensive and helpful, and he is not alone. (Bai Juyi)

Come with a heart, not a grass. (Tao Xingzhi)

The happiness of the people is my reward. (Madame Curie)

A person's value to society first depends on how much his feelings, thoughts and actions have played in promoting human interests. (Einstein)

If a person only thinks of himself, then there must be more sad things than happy things in his life. (Ma Ming Sibilia Ke)

What is really remarkable about a real scholar is that he did a lot of great work in secret before his death and was not famous for it. (Balzac)

I am a citizen of the world and should be born for mankind. (Nobel)