Have a look at the Holy Book. There are plenty of beautiful verses in the Bible that you can use to profess your love for each other and your devotion to your faith.
Here are 24 Bible verses, about love and marriage, which you can choose from;
On Marriage
Genesis 2:24: “That is why a man leaves his father and mother and is united to his wife, and they become one flesh.”
Colossians 3:14: “And over all these virtues put on love, which binds them all together in perfect unity.”
Song of Solomon 4:9: You have stolen my heart, my sister, my bride; you have stolen my heart with one glance of your eyes, with one jewel of your necklace.”
Ecclesiastes 4:9 – 10: “Two are better than one, because they have a good return for their labor: If either of them falls down, one can help the other up.”
Song of Solomon 8:6-7:
“Place me like a seal over your heart,
like a seal on your arm;
for love is as strong as death,
its jealousy unyielding as the grave.
It burns like blazing fire,
like a mighty flame.
7 Many waters cannot quench love;
rivers cannot sweep it away.
If one were to give
all the wealth of one’s house for love,
it would be utterly scorned.”
Mark 10:9: “Therefore what God has joined together, let no one separate.”
Ecclesiastes 4:12: Though one may be overpowered, two can defend themselves. A cord of three strands is not quickly broken.”
Ephesians 5:21: “Submit to one another out of reverence for Christ.”
Genesis 2:23: The man said, “This is now bone of my bones and flesh of my flesh; she shall be called ‘woman’, for she was taken out of man.”
Ruth 1:16: “Don’t urge me to leave you or to turn back from you. Where you go I will go, and where you stay I will stay. Your people will be my people and your God my God.
Proverbs 5:18: “May your fountain be blessed, and may you rejoice in the wife of your youth.”
Ephesians 5:25-28: “ Husbands, love your wives, just as Christ loved the church and gave himself up for her to make her holy, cleansing[a] her by the washing with water through the word, and to present her to himself as a radiant church, without stain or wrinkle or any other blemish, but holy and blameless. In this same way, husbands ought to love their wives as their own bodies. He who loves his wife loves himself.”
On Love
1 Corinthians 13: 13 “And now these three remain: faith, hope and love. But the greatest of these is love.”
1 Peter 4:8: “Above all, love each other deeply, because love covers over a multitude of sins.”
1 John 4:16: “And so we know and rely on the love God has for us. God is love. Whoever lives in love lives in God, and God in them.”
Song of Solomon 2:16: “My beloved is mine and I am his.”
Proverbs 31:10: “Who can find a virtuous woman? for her price is far above rubies.”
1 Corinthians 13:4-5: “Love is patient, love is kind. It does not envy, it does not boast, it is not proud. It does not dishonor others, it is not self-seeking, it is not easily angered, it keeps no record of wrongs.”
Proverbs 3:3-4:
“Let love and faithfulness never leave you;
bind them around your neck,
write them on the tablet of your heart.
4 Then you will win favor and a good name
in the sight of God and man.”
Song of Solomon 8:7: “Many waters cannot quench love; rivers cannot sweep it away. If one were to give all the wealth of one’s house for love, it would be utterly scorned.”
Romans 12:10: “Be devoted to one another in love. Honor one another above yourselves.”
1 Corinthians 13:1-3: “If I speak in the tongues of men or of angels, but do not have love, I am only a resounding gong or a clanging cymbal. If I have the gift of prophecy and can fathom all mysteries and all knowledge, and if I have a faith that can move mountains, but do not have love, I am nothing. If I give all I possess to the poor and give over my body to hardship that I may boast, but do not have love, I gain nothing.”
Romans 13:8: “Let no debt remain outstanding, except the continuing debt to love one another, for whoever loves others has fulfilled the law.”
John 15:12: My command is this: Love each other as I have loved you.