“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.”

“I like to have a person's knowledge comprehend more than one class of topics, one row of shelves. I like a person who likes to see a fine barn as well as a good tragedy.”

“I long To hear the story of your life, which must Take the ear strangely.”

“All inquiry into antiquity, all curiosity respecting the Pyramids, the excavated cities, Stonehenge, the Ohio Circles, Mexico, Memphis,--is the desire to do away this wild, savage, and preposterous There and Then, and introduce in its place the Here and Now.”