On your son’s birthday, the wishes that you deliver will stick with him long after the accompanying gift is forgotten.

Happy birthday, son. Cheers to my incredible son on his very special day. I hope you enjoy every moment! Every year that passes makes me more and more proud of you, my son. Keep up the good work. May ...

Stuck on what to say? Here’s what to write in a birthday card for a friend, coworker or that special someone in your life.