and, swifter than his tongue, His agile arm beats down their fatal points, And 'twixt them rushes; underneath whose arm An envious thrust from Tybalt hit the life Of stout Mercutio, and then Tybalt fled; But by and by comes back to Romeo, Who had but newly entertain'd revenge, And to 't they go like lightning, for, ere I Could draw to part them, was stout Tybalt slain.