Creativity: Theory and Practice
When nature finds itself in need of new ideas, it strives to connect, not protect.
Steven Johnson • Where Good Ideas Come From
Curiosity is voracious–the more you know the more you want to know; the more connections you make between the different bits of knowledge; the more ideas you have. Which is why curiosity is really the wellspring of creativity.
Alan Moore • Do Design: Why Beauty Is Key to Everything
This gives us a roadmap to doing more creative work. What we need to do is, in the exploration phase, raise the perceived value of doing the work, raise the perceived costs of not doing the work, and lower the perceived value of doing other things.
Dan Shipper • Why You're Not Doing Creative Work
Make it attractive to do more creative work
Whatever inspiration is, it’s born from a continuous 'I don’t know.'
Wisława Szymborska

against efficiency in creative work
Obviously, collaborations can work with idea generation too, but I think the most important part of idea generation is getting ideas yourself, then talking to people, customers, users to evolve them. Not talking to your teammates how great your team's idea is.
Pieter Levels • Make
Anne-Laure Le Cunff • Creative aliveness: turning life into a creative adventure
This doesn’t feel productive, even though it is.