沙神父:
徐光启为何成为天主教徒?

Xu Guangqi and a few scholars such as Li Zicao wanted to fight against corruption and to strengthen moral traditions. They wanted to purify the Confucian tradition from Buddhist elements and go back to the roots of morality.

Ricci showed them that catholic teachings were very close to original Confucian principles.

They felt that Gods commandments had great power and could strengthen the Confucian tradition.