Whatever we learn has a purpose and whatever we do affects everything and everyone else, if even in the tiniest way. Why, when a housefly flaps his wings, a breeze goes round the world; when a speck of dust falls to the ground, the entire planet weighs a little more; and when you stamp your foot, the earth moves slightly off its course. Whenever you laugh, gladness spreads like the ripples in the pond; and whenever you're sad, no one anywhere can be really happy. And it's much the same thing with knowledge, for whenever you learn something new, the whole world becomes that much richer.

AHA!" interrupted Officer Shrift, making another note in his little book. "Just as I thought: boys are the cause of everything.

Is everyone who lives in Ignorance like you?" asked Milo. "Much worse," he said longingly. "But I don't live here. I'm from a place very far away called Context.

You can swim all day in the Sea of Knowledge and not get wet.

We never choose which words to use, for as long as they mean what they mean to mean, we don’t care if they make sense or nonsense.

They walked for a while, all silent in their thoughts, until they reached the car and Alec drew a fine telescope from his shirt and handed it to Milo. "Carry this with you on your journey," he said softly, "for there is much worth noticing that often escapes the eye. Through it you can see everything from the tender moss in a sidewalk crack to the glow of the farthest star — and, most important of all, you can see things as they really are, not just as they seem to be. It's my gift to you.

I don't know of any wrong road to Dictionopolis, so if this road goes to Dictionopolis at all it must be the right road, and if it doesn't it must be the right road to somewhere else, because there are no wrong roads to anywhere. Do you think it will rain?