Those Who Remember the Past Are Pleased to Repeat It

White has an obligation to punish opening mistakes, again and again. And again.

Wall,B - Guest1305432
PlayChess.com, 2014

1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.Bxf7+ 

4...Kxf7 5.Nxe5+ Nxe5 6.Qh5+ Ke6 7.f4 Nf6 

Oh, yes, this is what we in the Jerome Gambit Gemeinde call "A Gimme". Remember it.

8.Qxe5+ Kf7 9.Qxc5 Nxe4 

Better, but not successful, was 9...Qe8: 10.Nc3 Nxe4 11.Qh5+ g6 12.Qd5+ Kf8 13.Nxe4 Qe7 14.0-0 c6 15.Qd4 Rg8 16.f5 c5 17.fxg6+ Ke8 18.gxh7 cxd4 19.hxg8Q+ Black resigned, Wall,B - IanJoshua, Chess.com, 2010.

10.Qd5+ 

Here Black resigned in Wall, Bill - Meinherr, Chess.com, 2010. 

10...Kf8 11.Qxe4 Qh4+

Also seen: 11...d5 12.Qd4 Qe7+ 13.Kf2 Bg4 14.Qxd5 Qe2+ 15.Kg3 h5 16.h4 Re8 17.Nc3 Qa6 18.d3 Qg6 19.Bd2 Be6+ 20.Qg5 Black resigned, Wall,B - Dani, Chess.com, 2010.

12.g3 Qg4 13.b3 c6 14.Ba3+ Kf7 15.Qe7+ Kg6 16.Qd6+ Kf7 17.Nc3 Re8+ 18.Kf2 b5 19.Rae1 Re6 20.Rxe6 Qxe6 21.Qf8+ Kg6 22.g4 Qf6 23.Qe8+ Qf7 24.f5+ Black resigned