"I think people who create and write, it actually does flow-just flows from into their head, into their hand, and they write it down. It's simple"

In this quote, Paul McCartney is expressing his belief that the process of producing and composing comes naturally to those who have the talent. He suggests that ideas and words effortlessly stream from their mind to their hand, enabling them to easily put their thoughts into writing. McCartney likewise highlights the simplicity of this procedure, suggesting that it is not a complicated or forced task for those who are really implied to be authors. In general, this quote highlights the idea that composing is a natural and innate ability for some people, instead of an ability that can be found out or taught.