“Happiness is not a life without pain, but rather a life in which the pain is traded for a worthy price.”

“It will hurt." said Petra. "But let's make the most of what we have, and not let future pain ruin present happiness.”

“Life is full of grief, to exactly the degree we allow ourselves to love other people.”

“Youre not a human being until you value something more than the life of your body. And the greater the thing you live and die for the greater you are.”

“This emotion I'm feeling now, this is love, right?""I don't know. Is it a longing? Is it a giddy stupid happiness just because you're with me?""Yes," she said."That's influenza," said Miro. "Watch ...”

“In philosophy class I think we finally decided that 'good' is an infinitely recursive term - it can't be defined except in terms of itself. Good is good because it's better than bad, though why it'...”

“I do not know what I may appear to the world, but to myself I seem to have been only like a boy playing on the sea-shore, and diverting myself in now and then finding a smoother pebble or a prettie...”

“To know the history of science is to recognize the mortality of any claim to universal truth. ”

“The scientist only imposes two things, namely truth and sincerity, imposes them upon himself and upon other scientists.”

“The truth." Dumbledore sighed. "It is a beautiful and terrible thing, and should therefore be treated with great caution.”

“The truth is rarely pure and never simple.”

“Never tell the truth to people who are not worthy of it.”