“Adults are only obsolete children.”

“Every once in a while, I get mad. 'The Lorax' came out of my being angry. The ecology books I'd read were dull... In 'The Lorax,' I was out to attack what I think are evil things and let the chips fall where they might.”

“Once-ler! You're making such smogulous smoke - my poor swomee swans, why they can't sing a note! No one can sing who has smog in his throat.”

“You ought to be thankful a hole heaping lot, for The places and people you're lucky you're not!”

“Plant a new Truffula. Treat it with care. Give it clean water. And feed it fresh air.”

“...and then, in dreaming, / The clouds methought would open and show riches / Ready to drop upon me, that when I waked / I cried to dream again.”

“O, then I see Queen Mab hath been with you. . . . She is the fairies’ midwife, and she comes In shape no bigger than an agate stone On the forefinger of an alderman, Drawn with a team of little atomi Athwart men’s noses as they lie asleep.”

“True, I talk of dreams, Which are the children of an idle brain, Begot of nothing but vain fantasy, Which is as thin of substance as the air, And more inconstant than the wind, who woos Even now the frozen bosom of the north, And, being anger'd, puffs away from thence, Turning his side to the dew-dropping south.”