As shown in the image below, a simple Valentine's Day quote can be "Friendship is the wine of life," or simply "Happy Valentine's Day to the most special person in my life." In addition to this, you can add other simple elements, like balloons, hearts, roses, chocolates, and more to the Valentine's Day card to make it more attractive. It should be noted here that a simple Valentine's Day quote should express your love and emotion for your partner. So, remember to add personal anecdotes to your simple quote, like do not forget to write your partner's name, talk about the day when you guys met for the first time, and more. Try to make your simple Valentine's Day quote as attractive as possible.