Authors:

Quality tends to fan out like waves. The Quality job he didn't think anyone was going to see was seen, and the person who feels it is a little bit better because of it, and is likely to pass that feeling onto others, and in that way the Quality tends to keep going.

"Zen and the Art of Motorcycle Maintenance". Book by Robert M. Pirsig, 1974.
Quality tends to fan out like waves. The Quality job he didn't think anyone was going to see was seen, and the person who feels it is a little bit better because of it, and is likely to pass that feeling onto others,