1.  "Let us be grateful to people who make us happy; they are the charming gardeners who make our souls blossom." - Marcel Proust
2. "We can only be said to be alive in those moments when our hearts are conscious of our treasures." - Thornton Wilder
3. As we express our gratitude, we must never forget that the highest appreciation is not to utter words, but to live by them. ~John F. Kennedy 
4. At times our own light goes out and is rekindled by a spark from another person. Each of us has cause to think with deep gratitude of those who have lighted the flame within us. Albert Schweitzer 
5. The deepest craving of human nature is the need to be appreciated.
-- WIlliam James
6. "Be thankful for what you have; you'll end up having more. If you concentrate on what you don't have, you will never, ever have enough."
-- Oprah Winfrey
7. He is a wise man who does not grieve for the things which he has not, but rejoices for those which he has." – Epictetus
8. At times our own light goes out and is rekindled by a spark from another person. Each of us   has cause to think with deep gratitude of those who have lighted the flame within us. ~ Albert Schweitzer
9. Charity never humiliated him who profited from it, nor ever bound him by the chains of gratitude, since it was not to him but to God that the gift was made. ~ Antoine de Saint-Exupery
10. Christ himself wrote nothing, but furnished endless material for books and songs of gratitude and praise. ~ Philip Schaf
11. Develop an attitude of gratitude, and give thanks for everything that happens to you,    knowing that every step forward is a step toward achieving something  bigger  and better than your current situation. ~ Brian Tracy
12. And each man stands with his face in the light of his own drawn sword.  Ready to do what a hero can.  ~Elizabeth Barrett Browning
13. When our perils are past, shall our gratitude sleep?  ~George Canning
14. For what avail the plough or sail, or land or life, if freedom fail?  ~Ralph Waldo Emerson
15. We often take for granted the very things that most deserve our gratitude.  ~Cynthia Ozick
16. Let no vandalism of avarice or neglect, no ravages of time, testify to the present or to the coming generations, that we have forgotten, as a people, the cost of a free and undivided Republic.  ~John A. Logan
17. .How far that little candle throws his beams! So shines a good deed in a naughty world.
    ~William Shakespeare, Merchant of Venice, much later adapted to "So shines a good deed in a weary world" by David Seltzer for the 1971 film Willy Wonka and the Chocolate Factory
18. He loves his country best who strives to make it best.  ~Robert G. Ingersoll
19. Then join hand in hand, brave Americans all! By uniting we stand, by dividing we fall.
    ~John Dickinson
20. No one who achieves success does so without acknowledging the help of others.  The wise and confident acknowledge this help with gratitude.  ~Author Unknown
21. My God!  How little do my countrymen know what precious blessings they are in possession of, and which no other people on earth enjoy!  ~Thomas Jefferson
22. I can no other answer make, but, thanks, and thanks.  ~William Shakespeare
23. Feeling gratitude and not expressing it is like wrapping a present and not giving it.  ~William Arthur Ward
24. No one is more cherished in this world than someone who lightens the burden of another.  Thank you.  ~Author Unknown
25. Silent gratitude isn't much use to anyone.  ~G.B. Stern
26. The hardest arithmetic to master is that which enables us to count our blessings.  ~Eric Hoffer