A few inspirational quotes:

"It 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 Carnegie

"There are only two ways to live your life. One is as though nothing is a miracle. The other is as though everything is. I believe in the latter. Albert Einstein

"To live a happy life, tie it to a goal. Not to people or things." Albert Einstein