We decided that humility was defined not by self-deprecating behavior or attitudes but by the esteem with which you regard others. . . Generally, you can be humble only if you feel really good about yourself - and you want to help those around you feel really good about themselves, too.
Dumbledore lowered his hands and surveyed Harry through his half-moon glasses. 'It is time,’ he said, ‘for me to tell you what I should have told you five years ago, Harry. Please sit down. I am going to tell you everything.