Stick With The Honourable

Be cautious about accepting the word of popular people, they will break their word for popular opinion.Be cautious about accepting the word of rich people, they will break their word for money.
Be cautious about accepting the word of famous people, they will break their word for more fame.
Be cautious about accepting the word of those who value peer pressure, for they will break their word under peer pressure.

Feel free to accept the word of honourable people, because they will never break their word.