In the Dr. Seuss book The Lorax, what is in "unless" ?

Question

In the Dr. Seuss book The Lorax, what is in "unless" ?

Answer 1

Nothing. It's just that the Lorax implies that unless someone undos the damage, he might not come back. The Once-ler gives you the Truffla seed, and he tells you to fix the problem. It's left to the reader.

LuthienT