So to all of you, and to your families, I want to express my deepest gratitude, the gratitude of Michelle, the First Lady, and our entire family.

WHITEHOUSE: Ending the War, Saluting the Troops

What I really want to do is come down and express the extraordinary gratitude not just of me as your Commander-in-Chief, but more importantly, the thanks of all the American people.

WHITEHOUSE: Remarks by the President at Commander-in-Chief Ball

Taking a few minutes each morning and night to express gratitude will help you find a more positive outlook on the rest of your day, too.

FORBES: Let's Give Thanks -- All Year Long