Actually changing people mostly comes from good advice given to them what's the adhere to the advice the person automatically changed for good and that's when we say someone changed the other, we actually need to be the change you want to see in others, it simply means if you want others to be respectful you need to show that by being respectful if you want others to be obedient you need to also show that by being obedient to others likewise being truthful and honest whatever thing you want others to be all the change you want to see in others you will have to first of all show it by doing it to others, that's how it's supposed to work