I am surprised by how intriguing the book is. The idea of liquid, between the chaotic air and the rigid solid, facilitate innovation. Because it allow random connection and allow the connection to stick long enough for growth.
The proof that most the major innovation, even people often attribute to a sudden flash of genius, is in fact accumulated ideas, waiting for a connection to crystallize.
Interact with diverse yet related ideas seems to be the magic ingridien of innovation. One way to interact with oneself is the keep notes for later review. So called a commonplace book the many man of letters, such as Darwin keep in exhaustive details.