Working by example may work. And analysing many successful examples may also yield some insight. But make sure to get the full picture: look also at those who f

Working by example may work. And analysing many successful examples may also yield some insight. But make sure to get the full picture: look also at those who fail. They might have tried the very same methods to most degrees. Don't fall for the survivorship bias :) It might be other factors which are truely important than those which seem the obvious ones.