By way of BeliefNet:
[The] defilements are like a cat. If you feed it, it will keep coming around. Stop feeding it, and eventually it will not bother to come around anymore.
-Ajahn Chah, “Still Forest Pool”
From “365 Buddha: Daily Meditations,” edited by Jeff Schmidt. Reprinted by arrangement with Tarcher/Putnam, a division of Penguin Putnam Inc.