Writers: rebels and iconoclasts, many of the world's most famous authors have been deep critical thinkers, unafraid to question their society's staple beliefs, one of which has often been religion.
The most awe inspiring monologue about us and the universe has now been made into a stunning animation Prepare yourself for the tingles.
British comedian Ricky Gervais always has a lot to say. Sometimes he says it on Twitter. Often it's about the ludicrous nature of religion.