If science always insists that a new order must be immediately fruitful, or that it has some new predictive power, then creativity will be blocked. New thoughts generally arise with a play of the mind, and the failure to appreciate this is actually one of the major blocks to creativity. Thought is generally considered to be a sober and weighty business. But here it is being suggested that creative play is an essential element in forming new hypotheses and ideas. Indeed, thought which tries to avoid play is in fact playing false with itself.