Utterly, preposterously, altogether, selfish!" He turned on the electric lights, and walked up and down the room, with desperate, restless tread.
"Poisoning all it touches," he said.

"Blasting the life of all who pass beneath its deadly foliage--U,P,A,S--Upas." He paused before the great mirror, gazing at his own reflection.
He put his face quite close to the glass, staring into his burning eyes.
Then he struck at the reflection with his clenched fist.

"Upas tree!" he snarled.

"Take that, and be damned!" He had hurt his knuckles.

He walked back to the fire, rubbing them carefully with his left hand.
"Poor old chap," he said.