The battle begins

"Remember, if the time should come, when you have to make a choice between what is right and what is easy, remember what happened to a boy who was good, and kind, and brave, because he strayed across the path of Lord Voldemort. Remember Cedric Diggory."

Harry flung himself out from behind the bush and pulled out his wand. “EXPECTO PATRONUM!” he yelled. And out of the end of his wand burst, not a shapeless cloud of mist, but a blinding, dazzling,silver animal. 

The three of them spoke at the same time; Hermione said, “the cloak,” Ron said, “the wand,” and Harry said, “the stone.”

Harry Potter film series part 17

"I want to be a Renaissance woman. I want to paint, and I want to write, and I want to act, and I want to just do everything." ― Emma Watson

He turned, intending to head back toward the middle of the field, but at that moment, another flash of lightning illuminated the stands, and Harry saw something that distracted him completely, the silhouette of an enormous shaggy black dog, clearly imprinted against the sky, motionless in the topmost, empty row of seats.

Peter Jackson

“Are you sure that’s a real spell? Well, it’s not very good, is it? I’ve tried a few simple spells just for practice and it’s all worked for me. I’ve learned all our course books by heart, of course.”

I definitely need to remember that one.