The illiterate of the 21st century will not be those who cannot read and write, but those who cannot learn, unlearn and relearn."attributed to Alvin Toffler "That is what learning is. You suddenly understand something you've understood all your life, but in a new way." -attributed to Doris Lessing "Zwei Dinge sollen Kinder von ihren Eltern bekommen: Wurzeln und Flügel" "There are two things children should get from their parents: roots and wings." -attributed to Johann Wolfgang von Goethe "Each day learn something new, and just as important, relearn something old." -attributed to Robert Breault "Het is niet goed maar één ding te weten, men raakt daar verstompt van, men moet niet rusten voor men ook het tegenovergestelde weet." "It is not good to know just one thing, one becomes deadened by that, one should not rest before one also knows the opposite." -attributed to Vincent van Gogh "Estudar não é um ato de consumir idéias, mas de criá-las e recriá-las." "To study is not to consume ideas but to create and re-create them." -Paulo Freire in The Politics of Educa-Again, thank you all for giving me such amazing input to socially learn from! Rydin, 2011;Tewdwr-Jones, 2002). This applies in all dimensions of planning, which can be categorised as values, knowledge, stakeholders, process and content (see Ferreira, 2020). For example: who decides which values should be ascribed to, how they are interpreted and operationalised? Where does the information in those reports mentioned above come from -scientists, local spokespeople, analysts? Who is going to build the roads, and develop the plots of land in which housing or schools or parks are meant to emerge? Who will make sure the ministries are Social learning and co-creation in planningParticipatory forms of planning have become increasingly common over the past two or three decades, and have been strongly encouraged by political guidelines as well (