He's simply got the instinct for being unhappy highly developed.
You have no control over what the other guy does. You only have control over what you do.
It is not much for its beauty that makes a claim upon men's hearts, as for that subtle something, that quality of air that emanates from old trees, that so wonderfully changes and renews a weary spirit.
While we have the gift of life, it seems to me that only tragedy is to allow part of us to die - whether it is our spirit, our creativity, or our glorious uniqueness.
Hearing voices no one else can hear isn't a good sign, even in the wizarding world.
I think it is good that books still exist, but they do make me sleepy.
Act as if it were impossible to fail.