Humility

Also, Shoshin, or beginner's mind

Parents

"Everybody you meet knows something you don't."
"Until you can openly say, 'I think the thing that I have believed in my whole life could possibly not be true,' you don’t know a damn thing about humility."
"We shall not cease from exploration, and the end of all our exploring will be to arrive where we started and know the place for the first time."
“Measure a man’s height with his stilts off.”
Open-mindedness
The Infant's Urge, The Universe Doesn't Care