“A fight is going on inside me," said an old man to his son. "It is a terrible fight between two wolves. One wolf is evil. He is anger, envy, sorrow, regret, greed, arrogance, self-pity, guilt, rese...”

“Maybe some things aren't meant to be known. maybe there just meant to be accepted.”

“Do you ever think if people heard our conversations they'd lock us up?"All the time.”

“It's not an old book, or a treasure map. Nope. Staring up at me was a pile of rocks.”

“If an object - a star, for instance, like our own sun - is eight hundred light years away from the Earth, it would take light leaving that object eight hundred years until it reached our eyes. So w...”

“Everything we think we know is really only perceived by our senses,' he explains patiently. 'The sounds we hear are just waves in the air; colors are electromagnetic radiation; your sense of taste ...”

“You have to stretch your soul to find your potential strength.”

“All we are not stares back at what we are.”

“We must become what we wish to teach.”

“The pursuit of truth and beauty is a sphere of activity in which we are permitted to remain children all our lives.”

“[I]sn't it sad to go to your grave without ever wondering why you were born? Who, with such a thought, would not spring from bed, eager to resume discovering the world and rejoicing to be part of it?”

“I have not yet lost a feeling of wonder, and of delight, that the delicate motion should reside in all the things around us, revealing itself only to him who looks for it.”