“If a tree falls in a forest and no one is around to hear it, does it make a sound?”

“If a tree falls in the woods and no one’s around to hear it, it still very probably makes a sound. A baseball game that’s played with no one around to watch it, though — that’s a different proposition.”

“If a tree falls in the forest and nobody is there to hear it, doesn't it just lie there and rot?”

“The media only writes about the sinners and the scandals, he said, but that's normal, because 'a tree that falls makes more noise than a forest that grows.”

“And if my friends refused to listen to me, then the walls had to hear me or the stones in the fields and the trees of the forests.”

“I was once walking through the forest alone. A tree fell right in front of me, and I didn't hear a thing.”

“The damage caused by modern forest technology is so devastating, because this energy interchange cannot evolve as it does in a natural forest. When there is a variety of tree types and undergrowth, energy is created in the whole forest area.”

“When the ax came into the forest the trees said the handle is one of us.”

“What is a dream? You ask too much of me: it is a woman cutting down a tree. What are forests for? For making the matches one gives children to play with. Is the fire in the forest, then? The fire is in the forest. What do plants feed on? On mystery. What day is it today? Shit..”

“The Lorax: Which way does a tree fall?
The Once-ler: Uh, down?
The Lorax: A tree falls the way it leans. Be careful which way you lean.”