Hogwarts, Middle Earth, Westeros, the Multiverse, the Middle Ages, a dystopian future or high school

A struggle between two opposing forces

The giant tree was ablaze with the orange, red, and yellow leaves that were beginning to make their descent to the ground.

Love is a battlefield

Oops. Did I say that out loud?

You better watch out / you better not cry / you better not pout / I’m telling you why

The muggle word and the wizarding world existing side-by-side in Harry Potter

My momma always said: 'Life is like a box of chocolates. You never know what you're gonna get' .

"I have a bad feeling about this"... right before the character enter the creepy basement in a horror movie.

After the most exciting point in the story, when things slowly start settling down

Gee, thanks Einstein!

You are probably wondering how this all began. Let me tell you.

When a character only has one major character trait and is not developed much beyond that. Example: Harry Potter's Crabbe and Goyle (Malfoy's friends)