I've never wanted to be a witch, but an alchemist, now that's a different matter. To invent this wizard world, I've learned a ridiculous amount about alchemy. Perhaps much of it I'll never use in the books, but I have to know in detail what magic can and cannot do in order to set the parameters and establish the stories' internal logic.
J. K. RowlingYouโll soon find out some wizarding families are much better than others, Potter. You donโt want to go making friends with the wrong sort. I can help you there.โ He held out his hand to shake Harryโs, but Harry didnโt take it. โI think I can tell who the wrong sort are for myself, thanks,โ he said coolly.
J. K. RowlingBut people only die in proper duels, you know, with real wizards. The most you and Malfoyโll be able to do is send sparks at each other. Neither of you knows enough magic to do any real damage. I bet he expected you to refuse, anyway.โ โAnd what if I wave my wand and nothing happens?โ โThrow it away and punch him on the nose,โ Ron suggested.
J. K. Rowling