of the Protestant Church (Reden über die Zukunft der evangelischen Kirche, 1849), he finds the essence of Christianity in Jesus' conceptions of the heavenly Father, the Son of Man and the kingdom of Heaven. In his work on philosophical dogmatics (Philosophische Dogmatik oder Philosophie des Christentums, 3 vols., 1855-1862) he seeks, by idealizing all the Christian dogmas, to reduce them to natural postulates of reason or conscience.

Weisse was the first theologian to propose the two-source hypothesis