It's Valentine's Day 2012, and couple around the world are searching for ways to express their love and devotion for one another.

From poets like Sappho and Robert Frost, to authors like George Sand and Michel de Montaigne, to cartoonists like Michael Leunig and Dr. Suess, here are 25 beautiful quotes about love and loving someone on Valentine's Day 2012. Choose a quote to say to your date, your boyfriend, your girlfriend or your spouse this Feb. 14, and have a very happy Valentine's Day.

Quotes About Loving Someone:

How did it happen that their lips came together? How does it happen that birds sing, that snow melts, that the rose unfolds, that the dawn whitens behind the stark shapes of trees on the quivering summit of the hill? A kiss, and all was said. - Victor Hugo

Are we not like two volumes of one book? - Marceline Desbordes-Valmore

Come live in my heart and pay no rent. - Samuel Lover

I've fallen in love many times...always with you. - Author Unknown

We are each of us angels with only one wing, and we can only fly by embracing one another. - Lucretius

If you press me to say why I loved him, I can say no more than because he was he, and I was I. - Michel de Montaigne

When I saw you I was afraid to meet you. When I met you I was afraid to kiss you. When I kissed you I was afraid to love you. Now that I love you, I am afraid to lose you. - Author Unknown

Stand and face me, my love,and scatter the grace in your eyes. - Sappho.

I love thee to the depth and breadth and height my soul can reach. - Elizabeth Barrett Browning

Other men it is said have seen angels, but I have seen thee and thou art enough. - George Moore

Quotes About The Importance of Love:

Take away love and our earth is a tomb. - Robert Browning

A man is not where he lives, but where he loves. - Latin Proverb

When you are in love you can’t fall asleep because reality is finally better than your dreams. - Dr. Suess

Love is like dew that falls on both nettles and lilies. - Swedish Proverb

Love is an irresistible desire to be irresistibly desired. - Robert Frost

I love you not only for what you are, but for what I am when I am with you. - Roy Croft

There is only one happiness in life--to love and be loved. - George Sand

Quotes About The Act of Love:

Soul meets soul on lovers' lips. - Percy Bysshe Shelley

Anyone can be passionate, but it takes real lovers to be silly. - Rose Franken

Love does not consist in gazing at each other, but in looking outward together in the same direction. - Antoine de Saint-Exupéry

Love makes your soul crawl out from its hiding place. - Zora Neale Hurston

The heart has its reasons that reason knows nothing of. - Blaise Pascal

A kiss is a lovely trick designed by nature to stop speech when words become superfluous. - Ingrid Bergman

When love is not madness, it is not love. - Pedro Calderon de la Barca

Love one another and you will be happy; it is as simple and as difficult as that. - Michael Leunig