Love Quotes: 14 Appreciation Quotes, Straight From The Heart

"If you can't be with the one you love, love the one you're with," says a four-decades-old song by Crosby, Stills & Nash, but the message remains modern: be grateful. Appreciation for what you have makes you healthier and happier. Here are 14 wise love quotes from philosophers and authors who understood that appreciation, optimism and love all go hand in hand.