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)

Buried roots allow branches to bear fruit without asking for anything in return.

(Tagore)

People need to have a heart that sacrifices their own self-interest. (Turgenev)

The night quietly blooms flowers, but the day accepts thanks. (Tagore)

For people, the greatest happiness and happiness is to give their spiritual strength to others. (Suhomlinski)

All I have to do is to serve truth and justice with my meager strength.

(Einstein)

Do your best to fulfill your obligations, and you should know how valuable you are.

(lev tolstoy)