1, keep your word and do what you want. 2. Be a modest gentleman and keep your promise. 3. an upright man is open and poised while a petty man is anxious and worried. A gentleman speaks quickly. People who don't keep their word are not famous. 6. When credit disappears, the body has no life. 7. False sincerity is more terrible than the devil. 8. A thousand dollars is hard to buy a promise.