One of my many email subscriptions is to a message service called Inspiration Peak (http://www.inspirationpeak.com/. A few times a week, I receive an inspirational quotation. A recent message was from Norman Vincent Peale, author of the old chestnut The Power of Positive Thinking.
Sorry, I don't know who makes the cactus and buffalo stamps. They're from one of the first sets I ever bought (foam mounted), and I brought them along because they fit the Southwest theme here in Palm Springs. Hmmm. Maybe the set is called The Southwest.