Luck, that's all. Just plain luck. It's bound to change sometime, and, oh, it has. This is the best hand I've had all night.

9 seconds sound clip from the Mister Ed movie soundboard.

You can hear this line at 00:20:10 in the DVD version of the episode.

Quote context

[...]

- Good. (2)

(door closes)

- Ventriloquist.

- People will believe anything.

- Why don't you acknowledge that I'm a better gin player than you are. I've beaten you 9 straight games.

- Luck, that's all. Just plain luck. It's bound to change sometime, and, oh, it has. This is the best hand I've had all night.

- Hey, wait a minute. I only have 9 cards. It's a mis-deal.

- No! No, no, you don't. Take another card.

- My play.

- Gin.

[...]