David C. Downing has written an interesting post on being thankful at the official C.S. Lewis website.
On the subject of thanksgiving, C. S. Lewis believed we should be grateful for all the fortunes that come our way, both good and bad. It is easy, of course, to be grateful for the good things in our lives. But Lewis felt that we should be equally thankful for bad fortune, for that is what “works in us patience, humility, the contempt of this world and the hope of our eternal country” (Collected Letters 2, 869).
You can read the rest of the article here.