5 ms·Q. What's the difference between 'theory' and 'practice'? A. In theory, there is no difference.by joeld42 16y agoQ. What's the difference between 'theory' and 'practice'? A. In theory, there is no difference.jpwagner 16y agoIn practice, there is.sophacles 16y agoThat is the obvious symmetry. Anyone could have written it.num1 16y agoThis comment is too simple to properly present a true theory, where's the proof?jpwagner 16y agohttp://www.brainyquote.com/quotes/quotes/y/yogiberra141506.html http://www.brainyquote.com/quotes/quotes/y/yogiberra141506.h...dkersten 16y ago"The difference between theory and practice is bigger in practice than it is in theory"billswift 16y agoThe most practical thing in the world is a good theory. Helmholtz