Some other "rules": - you need to get a college degree if you want to get a good job. - work hard and you will be rewarded by your efforts. - you can be good

Some other "rules": - you need to get a college degree if you want to get a good job. - work hard and you will be rewarded by your efforts. - you can be good at anything if you stick long enough with it. Would you agree that there is no way to reliably "observe" if these rules are true?