This collection of birthday wishes, messages, and quotes ... "Wishing my favourite person a very Happy Birthday! Love you, sis!" "Happy Birthday to the most wonderful sister ever!

And while you might not see your sister as often as you'd like, her birthday is the perfect opportunity to express just how much she means to you. These heartfelt birthday wishes for sisters ...

Plus, birthday quotes are multi-functional. In addition to using them on birthday cards, you can share an inspiring birthday quote via text message or email to jazz up the standard “happy ...