I would think the two are inter-dependent. You can set your ideas alight, but what are you going to kindle it with?
The mind is indeed a vessel of knowledge and is the source of our actions, kindled by our knowledge so to speak. Because without knowledge there can be no fire, no will or direction to do and perform.
Speaking from a writer's perspective, I cannot magically create a story out of thin air. I have to depend on my many hours of gathering relative knowledge and my memory to transform them into a tale of my own. I am sure this is applicable to every other aspect of our lives such as decision making and innovation.
You can't kindle a fire without wood or oil, and you can't kindle a mind without stored knowledge.