Found this article and really like these snippets:
Every artist gets asked the question, “Where do you get your ideas?”
The honest artist answers, “I steal them.”
Every new idea is just a mashup or a remix of one or more previous ideas.
If you’re looking for advice on creating more connections between the knowledge you have (and collecting even more knowledge), Kleon’s book is a great place to start. He offers suggests like:
carry a notebook everywhere
read a lot
keep a scratch file