if you do what you think is right for the benefit of...

if you do what you think is right for the benefit of everybody and everything and you make decisions, to go back and regret them afterwards - it's a futile experience and it's not worth thinking about. Because life just unfolds. Provided you do your best and you think you're on the right track, you can only be right or wrong. But to regret it - I don't think there are any huge errors or misdemeanors.