" A promise must never be broken" -Alexander Hamilton This quote is true because if you break a promise then it will break you. If you make promises and break a lot of them then you will no longer be reliable and many people wouldn't trust you. keeping promises is a way of determining a persons honesty. Since if make a promise but break it and make a fake excuse you are not being honest. Promises can also help a person determine how much they can trust you. If you break a promise then you are not trust worthy and if you are trust worthy. Promises is what can keep a friendship going or cause a friendship to break. A promise can have a large effect on people since they mean a lot. If you break Anything from a little to big promise you will always feel guilty if you break a promise