Here's looking at you, kid. Ranked #5 in the "100 Movie Quotes" list

Renault: My dear Ricky, I suspect that under that cynical shell, you're at heart a sentimentalist...Oh, laugh if you will, but I happen to be familiar with your record. Let me point out just two items. In 1935, you ran guns to Ethiopia. In 1936, you fought in Spain on the Loyalists' side.
Rick: And got well paid for it on both occasions.
Renault: The winning side would have paid you much better.
Rick: Maybe.

Rick: And remember, this gun is pointed right at your heart.
Renault: That is my least vulnerable spot.

I stick my neck out for nobody.

Of all the gin joints in all the towns in all the world, she walks into mine. Ranked #67 in the American Film Institute's list of the top 100 movie quotations in American cinema.

We'll always have Paris Ranked #43 in the "100 Movie Quotes" list

If she can stand it, I can! Play it! Frequently misquoted as "Play it again, Sam"

She tried everything to get them, and nothing worked. She did her best to convince me that she was still in love with me, but that was all over long ago. For your sake, she pretended it wasn't, and I let her pretend.

I'm no good at being noble, but it doesn't take much to see that the problems of three little people don't amount to a hill of beans in this crazy mixed-up world. Someday you'll understand that.

You'll regret it. Maybe not today. Maybe not tomorrow. But soon and for the rest of your life.

I was willing to shoot Captain Renault, and I'm willing to shoot you.

Louis, I think this is the beginning of a beautiful friendship. Ranked #20 in the "100 Movie Quotes" list

Realizing the importance of the case, my men are rounding up twice the usual number of suspects.

I'm only a poor corrupt official.

I don't interfere with them and they don't interfere with me. In Casablanca, I'm master of my fate.