What is the most famous line from movies?

AFI's 100 YEARS...100 MOVIE QUOTES

Frankly, my dear, I don't give a damn. Gone with the Wind (1939) ...
I'm gonna make him an offer he can't refuse. The Godfather (1972) ...
You don't understand! I coulda had class. ...
Toto, I've a feeling we're not in Kansas anymore. The Wizard of Oz (1939) ...
Here's looking at you, kid.

What is a very powerful quote?

“In the middle of every difficulty lies opportunity.” – Albert Einstein. Einstein's profound insight reminds us that even in our darkest hours, there is the potential for growth and advancement. It encourages us to seek opportunity amid adversity.