“What must strike any intelligent witch or wizard on studying the so-called history of the Elder Wand is that every man who claims to have owned it has insisted that it is "unbeatable," when the known facts of its passage through many owners' hands demonstrate that has it not only been beaten hundreds of times, but that it also attracts trouble as Grumble the Grubby Goat attracted flies.”
“No witch has ever claimed to own the Elder Wand. Make of that what you will.”
“Wands are only as powerful as the wizards who use them. Some wizards just like to boast that theirs are bigger and better than other people's.”
“Authority figures always attract trouble.”
“And this is Nymphadora-""Don't call me Nymphadora, Remus," said the young witch with a shudder. "It's Tonks.""-Nymphadora Tonks, who prefers to be known by her surname only," finished Lupin."So would you if your fool of a mother had called you 'Nymphadora,' " muttered Tonks.”
“Don't put your wand there, boy! What if it ignited? Better wizards than you have lost buttocks, you know.""Who d'you know who's lost a buttock?""Never you mind...”
“I remember every wand I’ve ever sold, Mr. Potter. Every single wand. It so happens that the phoenix whose tail feather is in your wand, gave another feather — just one other. It is very curious indeed that you should be destined for this wand when its brother — why, its brother gave you that scar.”