Here is a collection of marriage quotes:

“Happy is the man who finds a true friend, and far happier is he who finds that true friend in his wife”.
– Franz Schubert

“A successful marriage requires falling in love many times, always with the same person”.
– Mignon McLaughlin

“The secret to a happy marriage is if you can be at peace with someone within four walls, if you are content because the one you love is near to you, either upstairs or downstairs, or in the same room, and you feel that warmth that you don’t find very often, then that is what love is all about”.
– Bruce Forsyth

“By all means, marry. If you get a good wife, you’ll become happy; if you get a bad one, you’ll become a philosopher”.
– Socrates

“To keep your marriage brimming, With love in the loving cup, Whenever you’re wrong, admit it; Whenever you’re right, shut up”.
– Ogden Nash

“It is not a lack of love, but a lack of friendship that makes unhappy marriages”.
– Friedrich Nietzsche

“All married couples should learn the art of battle as they should learn the art of making love. Good battle is objective and honest – never vicious or cruel. Good battle is healthy and constructive, and brings to a marriage the principles of equal partnership”.
– Ann Landers

“Marriage is not about age; it’s about finding the right person”.
– Sophia Bush

“Marriages, like careers, need constant nurturing… the secret of having it all is loving it all”.
– Joyce Brothers

“When you make the sacrifice in marriage, you’re sacrificing not to each other but to unity in a relationship”.
– Joseph Campbell

“Marrying for love may be a bit risky, but it is so honest that God can’t help but smile on it”.
– Josh Billings

“When marrying, ask yourself this question: Do you believe that you will be able to converse well with this person into your old age? Everything else in marriage is transitory”.
– Friedrich Nietzsche

“If there is such a thing as a good marriage, it is because it resembles friendship rather than love”.
– Michel de Montaigne

“It is a full time job being honest one moment at a time, remembering to love, to honor, to respect. It is a practice, a discipline, worthy of every moment”.
– Jasmine Guy

“One advantage of marriage is that, when you fall out of love with him or he falls out of love with you, it keeps you together until you fall in again”.
– Judith Viorst

“Don’t marry the person you think you can live with; marry only the individual you think you can’t live without”.
– James Dobson

“But marriage goes in waves. You’ve got to be patient. People bail and give up on their marriages way too early. They just don’t put the work and the effort into it. You’ve got to suck up your ego a lot of times, because that can be a big downfall”.
– Anna Benson

“Only choose in marriage a man whom you would choose as a friend if he were a woman”.
– Joseph Joubert

“When a marriage works, nothing on earth can take its place”.
– Helen Gahagan

“Every good relationship, especially marriage, is based on respect. If it’s not based on respect, nothing that appears to be good will last very long”.
– Amy Grant

“Take care of him. And make him feel important. And if you can do that, you’ll have a happy and wonderful marriage. Like two out of every ten couples”.
– Neil Simon

“Marriage is the highest state of friendship. If happy, it lessens our cares by dividing them, at the same time that it doubles our pleasures by mutual participation”.
– Samuel Richardson