Because Thailand believes that if people follow the precepts, that person will be treated as 5 people who profess a respect, and when he is not going to be pret.
Because people believe Thailand If you follow the five precepts, the person is considered to be a good person. Was a respected and when to die will not be hungry.
Because people believe that if you follow the precepts 5 that person is considered to be good is a venerable count hold, and when dead, will not be a bastard.