-(Su) Gorky

Don't lie and don't be afraid of the truth. -lev tolstoy

Confession is the product of honesty and courage. -(America) Mark Twain

If you slip, you can stand up at once; If you break your promise, you may never get it back.

-(America) Franklin

It is more important for a person to keep his promise than to protect his property. -Moliere (France)

Be true to yourself and you won't cheat others. -(British) Shakespeare

Credit is hard to get. 10 years of hard-earned credit is often lost because of a moment's words and deeds. -(Japanese) Daisaku Ikeda

The most important thing in interpersonal relationships is sincerity, and it must come from the heart. Honesty is an invincible sword in society, and you should take it with you wherever you go.

-(middle) San Mao

Credit is like a mirror, as long as there are cracks, it can't be connected as before. -Amir

All that glitters is not gold; Beautiful words are not all good words.

-(British) Shakespeare

Keeping a promise is better than being famous. -(America) Roosevelt

Honesty is superior to all intelligence, which is the basic condition of intelligence.

-(Germany) Kant

People who have lost their credit are dead in this world. -(UK) harbert

(The above celebrity quotations are taken from