Come with a heart and go without a blade of grass. (Tao Xingzhi)

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

A person's value to society 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 and was not famous before his death.

(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)