From the article: > Stepping back a bit from the details, we see several lessons here about problem-solving. If a problem is too hard, change it. If it seems t

From the article: > Stepping back a bit from the details, we see several lessons here about problem-solving. If a problem is too hard, change it. If it seems too specific, generalize it. Newton did both and got results more important and more powerful than what he originally sought.