1. "There is more hunger for love and appreciation in this world than for bread." - Mother Theresa
2. "If the only prayer you said in your whole life was, 'thank you,' that would suffice." Meister Eckhart
3. "The deepest principle in human nature is the craving to be appreciated." - William James
4. "Feeling gratitude and not expressing it is like wrapping a present and not giving it." -- William Arthur Ward