Here are various quotes from the Cardcaptor Sakura anime. Most of the quotes have the episode it was featured in written underneath.

"Sakura: I was thinking of looking at the moon
Yukito: There are a lot of stars out there too"
- Episode 7

"Tomoyo: The Cardcaptor that protects the city from the catastrophes of the Clow cards. That is so awesome.
Sakura: I can't do something that important
- Episode 2

"Sakura: (On the phone to Syaoran) When I fell out of the elevator I heard you call me by my first name, Sakura. It makes me feel as though we've become even closer friends. Can I call you "Syaoran-kun"?
Syaoran: (Syaoran blushes) Do what you want (Hangs up on Sakura and smiles)
- Episode 57