Sustainability, often perceived as a guiding light towards a better future, is a multifaceted concept that transcends environmental boundaries to encompass social and economic dimensions. However, beneath the seemingly universal agreement on its importance, there exist assumptions and preconceived notions that influence our understanding of what is right or wrong in the realm of sustainability. In this exploration, we delve into the intricacies of these assumptions, questioning established beliefs and navigating the grey areas that challenge our conventional understanding of sustainability.