The wand chooses the wizard.

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.

Harry constantly repeated Dumbledore's final words to himself. "I will only truly have left this school when none here are loyal to me. ... Help will always be given at Hogwarts to those who ask for it. "But what good were these words? Who exactly were they supposed to ask for help, when everyone was just as confused and scared as they were?

Wonder what it’s like to have a peaceful life,” Ron sighed, as evening after evening they struggled through all the extra homework they were getting.

Bidding the wizard farewell, he turned to his daughter, who held up her finger and said, “Daddy, look — one of the gnomes actually bit me!” “How wonderful! Gnome saliva is enormously beneficial!” said Mr. Lovegood, seizing Luna’s outstretched finger and examining the bleeding puncture marks. “Luna, my love, if you should feel any burgeoning talent today — perhaps an unexpected urge to sing opera or to declaim in Mermish — do not repress it! You may have been gifted by the Gernumblies!” Ron, passing them in the opposite direction, let out a loud snort.

It is impossible to live without failing at something, unless you live so cautiously that you might has well not have lived at all, in which case you have failed by default.

The sky was a cold iron-grey, like the underside of a shield. A sharp breeze lifted the hems of skirts and rattled the leaves on the immature trees; a spiteful, chill wind that sought out your weakest places, the nape of your neck and your knees, and which denied you the comfort of dreaming, of retreating a little from reality.