The formulation of the problem is often more essential than its solution, which may be merely a matter of mathematical or experimental skill.
Albert EinsteinSince that deluge of newspaper articles I have been so flooded with questions, invitations, suggestions, that I keep dreaming I am roasting in Hell, and the mailman is the devil eternally yelling at me, showering me with more bundles of letters at my head because I have not answered the old ones.
Albert Einstein