Congratulations On Your Baptism What Can I Write In A 'Congratulations On Your New Baby' Card?

What can I write in a 'Congratulations on your new baby' card? - congratulations on your baptism

She just had a baby, so I bought a greeting card, but since I am a man, I have no idea what to write about these things.
He "With love and congratulations on the arrival of the beautiful baby." but I wanted to add something more personal. I do not know why.