There are several scripture passages that you might use to convey your faith as you invite guests to your wedding. The following are several Bible verses you might want to use.
Haven't you read," he replied, "that at the beginning the Creator 'made them male and female,' and said, 'For this reason a man will leave his father and mother and be united to his wife, and the two will become one flesh'? So they are no longer two, but one. Therefore what God has joined together, let man not separate."
1 Peter 4:8
Above all, love each other deeply, because love covers over a multitude of sins.
Two are better than one, because they have a good return for their work: If one falls down, his friend can help him up. But pity the man who falls and has no one to help him up!
Also, if two lie down together, they will keep warm. But how can one keep warm alone?
Though one may be overpowered, two can defend themselves. A cord of three strands is not quickly broken.
Proverbs 18:22 He who finds a wife finds a good thing and obtains favor from the Lord. Ecclesiastes 9:9 Enjoy life with the wife whom you love, all the days of your vain life that he has given you under the sun, because that is your portion in life and in your toil at which you toil under the sun.
When it comes to Bible verses that are fitting for Christian wedding invitation verses, they are too numerous to list them all. You may wish to use a Bible concordance, either physical or online, and look up words such as love, marriage, union and commitment.