One example of a good saying for a Thanksgiving card is "Warmest Wishes / of the Season / from our Family to Yours." Many Thanksgiving messages relay a sense of warmth and include wishes for the upcoming holidays as well.
Famous quotes about Thanksgiving and gratitude are also suitable for use in Thanksgiving cards. One example of a quote that pertains to Thanksgiving is "As we express our gratitude, we must never forget that the highest appreciation is not to utter words, but to live by them," by John F. Kennedy, the 35th President of the United States. This is a great message for Thanksgiving because it reminds people to express gratitude through positive actions which benefits the world through promoting acts of kindness and generosity.
Another quote that is suitable for Thanksgiving is "We can only be said to be alive in those moments when our hearts are conscious of our treasures," by Thornton Wilder, an American author and playwright in the 20th century. Wilder won three Pulitzer Prizes, including one for his novel, "The Bridge of San Luis Rey." Famous plays from Wilder include "The Trumpet Shall Sound" and "Our Town." The play, "Our Town," illustrates Wilder's beliefs regarding the importance of every life on the planet.