I know men and women can banish worry, fear and various kinds of illnesses, and can transform their lives by changing their thoughts. I know! I know! I know! I have seen such incredible transformations performed hundreds of times. I have seen them so often that I no longer wonder at them.
Dale CarnegieIt isn't what you have, or who you are, or where you are, or what you are doing that makes you happy or unhappy. It is what you think about.
Dale CarnegieForget yourself by becoming interested in others. Do every day a good deed that will put a smile of joy on someone's face.
Dale Carnegie