9. Honesty is the best policy.
young businessman oath Truth on white background
Lying a lot can be difficult, because you might forget your lies. Soon enough, someone will find out you are lying. Then, you are in trouble. Or even if no one ever finds out, you will feel guilty for not telling the truth. But if you are honest and tell the truth, people will believe you and respect you. You will earn their trust and sleep well at night.