Birthday greetings and cards for our friends and family on their birthday can be about anything. One of the best ways to make them happy on their special day is by simply thanking them for everything they have done. Whether you want to stick to traditional greeting cards or share a thank you message on Facebook, it does not matter as long as you remember to thank a person for his contributions to your life. Here we have collected inspirational, funny, and short birthday thank you quotes they would surely love.