Eventually he chopped down an entire forest down out of greed. In the Lorax the once-ler is telling the Lorax that he will never stop growing his factories and making money.
“And, for your information, you Lorax, I'm figgering
On biggering and BIGGERING and BIGGERING and BIGGERING, turning MORE Truffula Trees into Thneeds which everyone, EVERYONE, EVERYONE needs!"
And at that very moment, we heard a loud whack!
From outside in the fields came a sickening smack of an axe on a tree. Then we heard the tree fall.
The very last Truffula Tree of them all!”
In this quote Dr, Seuss is shown here that the greed can make you heartless and make you not care about anyone in a rampage of greed. In The Sneetches Sylvester McMonkey McBean seems to want to help the Sneetches be he really only wants to swindle all of the Sneetches. He did this out of greed. Sylvester has just swindled everyone of the Sneetches and he is driving off to wherever he came from.
Then, when every last cent
Of their money was