Happy birthday to the greatest dad ever. You make me smile on the darkest of days. There isn’t a single greeting card on Earth that can echo my love and respect for you!

Happy birthday to the best [mother/father] anyone could ask for. Thank you for everything you’ve done and continue to do. Sending you lots of love on your special day!

What to write in a birthday card for mom or dad. Happy birthday, Dad. Though I might not always say it, I'm so grateful for you and everything you've done for me.