Writing a Christmas card can be a heartfelt way to spread joy and love during the holiday season. There are many options for what to write in a Christmas card, depending on your relationship with the recipient and your personal style. Some popular options include:

• Classic greetings: Short and sweet messages like "Merry Christmas" or "Happy Holidays" are always a safe bet for spreading holiday cheer.
• Heartfelt messages: If you're close with the recipient, consider writing a personalized message that shows how much you care. You can mention specific details about their life or share your hopes for the coming year.
• Funny sayings: Humorous messages can be a great way to bring a smile to someone's face during the holiday season. Just be sure to avoid anything that might be offensive.
• Religious quotes: If you and the recipient share a faith, consider including a religious quote or message in your card.

There are many resources available online with examples of Christmas card messages, including websites like Minted, Good Housekeeping, Hallmark, Country Living, and Shutterfly.