A Slightly Rhetorical Quote in the Book Regarding Creativity States

A slightly rhetorical quote in the book regarding creativity states, "To be able to think outside the box, you have to have something in it - and let it be shaken up from time to time," an expression taken from Micael Dahlén (2006) . What could this quote potentially mean?

A) that the creative process is a shaky ride that requires one to have a stable base to stand upon
B) that a person needs to know how to do something in order to free oneself from it - to associate beyond it
C) that a person should not be ashamed of not knowing so much, as long as one thinks big and bold
D) that a person must also be open to the fact that things may act out of character