If the first authority of the liberal is experience, the second is tradition. What is Bildad’s source of knowledge? It is what the forefathers said.
We do not elevate human wisdom to the level of God’s revelation. The church of Jesus Christ must be guided by the regulative principle. Everything to do with salvation, worship, evangelism, and all other essential aspects of the Christian life is revealed in Scripture. Common sense and the traditions of men are simply not good enough as guides to us. Instead we search the Scriptures if we are uncertain and we look for the principles that God has given to guide us.