The Book of Three (The Chronicles of Prydain, #1)

by Lloyd Alexander

“we learn more by looking for the answer to a question and not finding it than we do from learning the answer itself.

Well, that is one of the three foundations of learning: see much, study much, suffer much.”

“It is not the trappings that make the prince,” he said gently, “nor, indeed, the sword that makes the warrior.