Catholics, like adherents of many religions, believe their faith is divinely inspired due to a combination of factors:
* Sacred Texts: Catholics view the Bible, particularly the New Testament, as divinely inspired. They believe the teachings of Jesus Christ, as recorded in the Gospels, are God's revelation to humanity.
* Tradition: Catholic tradition, including the teachings of the Church Fathers, the decisions of ecumenical councils, and papal pronouncements, is seen as guided by the Holy Spirit, preserving and developing the original teachings of Christ.
* Miracles and Saints: Catholics believe that miracles throughout history and the lives of saints demonstrate God's active presence and endorsement of their faith.
* Personal Experience: Many Catholics have personal experiences of prayer, conversion, or spiritual encounters that they interpret as evidence of God's presence and the truth of their faith.
As for the claim that Islam and Judaism are "man-made," it's important to consider:
* Perspective: Muslims and Jews also believe their religions are divinely revealed. Muslims believe the Quran is the literal word of God, revealed to the Prophet Muhammad. Jews believe the Torah was given to Moses by God.
* Differing Beliefs: The concept of divine revelation and the nature of God differ across these religions. Each faith has its own understanding of how God communicates with humanity and establishes religious laws and practices.
It's worth noting that religious beliefs are a matter of faith and personal conviction. There's no objective, empirical way to definitively prove or disprove the divine origin of any religion.