The difference between going where you are needed and going where you are called is purely based upon diligent prayer and the leading of the Holy Spirit.
Pursuing your dreams in spite of opposition is a revolution against mediocrity. By challenging yourself, you transform those around you.
An author's dream does not necessarily come instantly. Rather, it is cultivated and nurtured, every epiphany and idea are like rain drops that bring life to the story being written.
The calling of an author is more than just to entertain, but also to share ones experiences with the world.