That reminds me of the self-written "Permission Slip", which Liz Gilbert uses as a tactic to unleash her creativity and move beyond fear and the need for external approval to make stuff that matters to you.
More useful tips in that vein here: https://medium.com/blankpage/the-3-self-reflection-tools-elizabeth-gilbert-uses-to-skyrocket-her-creativity-e1066a97c881