The questioning of religious authority common to German Pietism contributed to the rise of biblical criticism. Rationalism also became a significant influence: Swiss theologian Jean Alphonse Turretin (1671–1737) is an example of the "moderate rationalism" of the era. Turretin believed that the Bible was divine revelation, but insisted that revelation must be consistent with nature and in harmony with reason, "For God who is the author of revelation is likewise the author of reason". What was seen as extreme rationalism followed in the work of Heinrich Paulus (1761–1851) who denied the existence of miracles.