Joanne Rowling, better known as J K Rowling is the author of the famed fantasy novels Harry Potter. The Potter saga became such a huge success that it won multiple awards and sold more than 500 million copies. Today, Rowling is a well-known personality who is globally loved. Rowling's also been an inspiration to all those who dream of becoming big in the literary world. As the author celebrates her birthday on July 31, here's celebrating her birthday along with some of her most inspirational quotes.