Looking for the author of this quote

[bndnchrs]

Accidental double post

 

[bndnchrs]

Its a quote I want to use it on a proof, I just don't want to screw it up and attribute it to Feynman (though its a good chance its his). I also don't remember the precise wording.

It goes something like this

Never start a problem unless you know the answer in advance

Thanks guys! I know one of you knows this, its pretty damn famous, about every graduate student gets it drilled into their heads!

 

[atyy]

Wheeler's first moral principle: Never make a calculation until you know the answer. http://books.google.com/books?id=PD...AND+guess+answer+before&source=gbs_navlinks_s

 

[bndnchrs]

Wheeler!

Thanks!

 

[atyy]

It's one of my favourites!