Kids nowadays, they know it all.
2 seconds sound clip from the Foghorn Leghorn - Henhouse Henery (1949) Warner Bros. Merrie Melodies theatrical short.
You can hear this line at 00:02:43.345 in the DVD version of the film.
Quote context
[...]
- Pay attention, son. Now, get one nearer your size. A little one first. Now, run along, boy.
- Nice kid, but he's getting too big for his britches.
- Kids nowadays, they know it all.
(Foghorn Leghorn singing Doo Dah) (2)
- Don't give, I say, don't give up, boy. You'll get one.
- Now, there's some chicks over there. Go get one.
- Quack, quack, quack, quack, quack...
[...]