Complex sentence: It must be remembered that the German bishops were at this time great secular princes rather than Catholic prelates; with rare exceptions, they made no pretence of carrying out their spiritual duties; they shared to the full in the somewhat shallow enlightenment of the age.
Split into simpler sentences: It must be remembered that the German bishops were at this time great secular princes rather than Catholic prelates. With rare exceptions, they made no pretence of carrying out their spiritual duties; they shared to the full in the somewhat shallow enlightenment of the age.