When writing a Christmas card, there are many things you can include to spread joy and goodwill. Here's a short and to-the-point message you can write:

Wishing you a Merry Christmas filled with
love, laughter, and happiness.
May this festive season bring you peace and joy.
Warmest wishes for the holidays and the coming year.

May the magic of Christmas warm your heart and home,
and bring joy to you and your loved ones.
Merry Christmas!

I hope this Christmas fills you with faith,hope
and good health that will last you a lifetime.
Have a blessed Christmas!

I wish Santa brings you
The gift of never ending
Happiness this Christmas!
May you and your family
Be blessed abundantly.
Happy Christmas!

Check More:
Christmas Wishes
And
Romantic Christmas Wishes

Feel free to personalize the message by adding the recipient's name or including a heartfelt sentiment that is meaningful to you.