Ray realized that he had been followed. It was Prof. Whitted, tracing Ray.

Not expecting that it would turn out to be a great inspiration for his later discoveries, Prof. Mandelbrot didn't really want to go to the Sumo Wrestling tournament.

After a hard day working on their book "The Algorithmic Beauty of Plants", going to the park was a great joy for both Lindenmayer and Prusinkiewicz. -"Look Aristid what I found; a A --> A[+A]A[-A]A." -"Przemyslaw, there is a A --> A[+A]A[-A][A] here."

-"Monsieur Brensenhem, the ability of drawing lines and circles is not enough to make you an artist. I think you should consider another career."