Your favourite movie quotes and scenes

Things that had an impact on you from cinema.
I am sure there is a lot of it, and I will start with this:

https://www.youtube.com/watch?v=QGVIwRLC3bQ&pp=ygURYW0gaSBub3QgbWVyY2lmdWw%3D

Eh, here are couple, and I probably forgot some: