Hearts--A red or a pink heart is the universal symbol of love, add to it an arrow piercing through and you will have found the perfect symbol that is found on almost every Valentine's Day merchandise there is. In the earlier times it was believed that the heart is the seat of love in the human body and that makes it most special. The Heart and the arrow symbolize Love and also the vulnerability associated with it, for even though we might love someone dearly, there are times when we might not be loved back in return