People often talk about the things they are thankful for. Most of us have plenty for which we can give thanks.
But to whom are you giving thanks? Who gave you all these wonderful things for which you are thankful?
God? Mother Nature? Gaia? Fate?
Update: I should answer my own question, shouldn't I? You won't be surprised to read that I thank our sovereign God for all the great gifts in my life - including those that may not always look like gifts.
Update 2: If you can't answer the question "to whom are you giving thanks" but you feel thankful today anyway... maybe you need to spend some time thinking about that.