Murray Gell-Mann: Is Beauty Shorthand for "Done"?

Do "we need more to explain more?" I distinctly remember that question from a live account of TED 2007, and here, finally, is the video of Murray Gell-Mann describing the significance of beauty in physics.

Since it would appear that we're driven to understand in wholes, what, indeed, counts as a complete explanation? Is beauty simply shorthand for "done"?