"Do not pity the dead, Harry, pity those who live without love. This is a fate worse than death. Living without love is worse than living without your soul. You are fully sane and love evades you." -Albus Dumbledore tells Harry in the afterlife, HPatDH
"Of course it is happening inside your head, Harry, but why on Earth should that mean that it is not real?" - Albus Dumbledore, _Harry Potter and the Deathly Hallows_ Make your dreams that are good a reality.