Daniel Dennett introduced the introducing notion of Intuition Pump, which I would say definitely qualify as transformative tools for thought. They are thought

Daniel Dennett introduced the introducing notion of Intuition Pump, which I would say definitely qualify as transformative tools for thought. They are thought experiments designed to focus attention on important features of a question and to deflect them from getting bogged down in hard-to-follow details. Google talk by Daniel Dennett on Intuition Pumps https://www.youtube.com/watch?v=4Q_mY54hjM0 https://www.youtube.com/watch?v=4Q_mY54hjM0