"The wand chooses the wizard Mr Potter..." Who said it: Ollivander Book/film: The Philosopher's Stone Ollivander understands the alliance and the emotional connection between a wand and a wizard or witch, and this quote can be applied to other things in your life; such as making friends and picking life partners. You need to have a loyal and trustworthy relationship so it's true that if someone else takes those things from you, then your allegiance changes. Ollivander was a clever man.
