Just to add more different explanations, since that'll help. http://blog.sigfpe.com/2006/08/you-could-have-invented-monads-and.html http://blog.sigfpe.com/2006

Just to add more different explanations, since that'll help. http://blog.sigfpe.com/2006/08/you-could-have-invented-monads-and.html http://blog.sigfpe.com/2006/08/you-could-have-invented-monad... This one is my favourite, and does it well by example and walking through three different cases, then generalizing.