Nice messages for your best friend. Congratulate each of your friends on their birthday. A friend is a treasure, surprise him on his birthday with beautiful anniversary messages. The word friend, comes from the Latin "amicus" which comes from the verb "amare" whose meaning is to love. Friends are not imposed by life, friends we can choose them, they are the family we can choose. You have to take care of friendships, that's why we invite you on your best friend's birthday to congratulate him.