(Optional Phrase Above Name)
(Couple's Names)
(Optional Engagement Date)

For better or worse, through thick and thin
You'll be by each other's side
Sharing the laughter and the tears
Through life's uncertain ride.
Nobody knows what the future holds
We all must wait and see
But I do know, for the two of you,
The best is yet to be.

Optional Closing Example:
Congratulations,
(Name)

(Optional Wedding Date)

(Optional Phrase Above Name)
(Couple's Names)
(Optional Engagement Date)

For better or worse, through thick and thin
You'll be by each other's side
Sharing the laughter and the tears
Through life's uncertain ride.
Nobody knows what the future holds
We all must wait and see
But we do know, for the two of you,
The best is yet to be.

Optional Closing Example:
Love & Best Wishes,
(Names)

(Optional Wedding Date)

(Optional Phrase Above Name)
(Couple's Names)
(Optional Engagement Date)

Love is patient. Love is kind.
It is not jealous,
it does not rejoice over wrongdoing,
but rejoices in the truth.
It bears all things, believes all things,
hopes all things. Love never fails.
Corinthians 13 : 4 - 8 

Optional Closing Example:
With Love,
Name(s)

(Optional Wedding Date)