Can someone identify this original music sample?

I have a thing about I Ding origami hip hop samples and I think I'm
stump any; one know this sample is use from?

http://www.youtube.com/watch?v=Vwnha6hlxFg

http://www.youtube.com/watch?v=NCQp7QdhqFI

Wow Auto-correct really screwed me up. I meant to say " I have a thing
about Identifying Original Hip hop Samples and I think I'm stumped;
anyone know where (as in what song) is sample is used from?"

Excuse my spelling fails lol -_-