In my mind, curiosity is the main contributor to creativity. That’s because curious people are compelled to seek out new things. Certitude on the other hinders creativity. People who are certain, are sure they already know the answers. Therefore, they don’t seek out new information. See Adam Savage explain how asking questions helped Richard Feynman, Eratosthenes and Armand Fizeau in his TED-Ed, talk, How simple ideas lead to scientific discoveries.