In this video titled Stop Living in a 3D Linear Mindset, Elizabeth April discusses the shift from a linear 3D mindset to a quantum 5D mindset. They explain the limitations of a linear approach to manifestation, which relies on conditions and steps, and advocate for a quantum approach where one becomes the thing they desire without needing to go through a process. Elizabeth April emphasizes the importance of believing in ones ability to manifest and encourages viewers to let go of limiting beliefs and conditions.