»Sortition and the German Constitution. A Study on the Compatibility of Random Selection and Lottery Based Democratic Institutions with the Democratic Principle of the German Basic Law«: The author analyses sortition based concepts of democracy (e.g. Citizens' Assemblies) from a constitutional perspective. Drawing from the Basic Law's 'eternity clause' (Art. 79(3)) and Democratic Principle (Art. 20(1)), he advocates for a flexible and evolving concept of democracy. Shifting focus from predefined organizational properties to the ideals of freedom and equality, this allows for a wide array of possibilities to implement sortition while determining clear cut limits at the same time.