Joshua had to go to Eleazer the priest to ask the Lord for counsel. We can go to the Word of God, the Bible. According to 2 Timothy 3:16–17, the truths of God’s Word are able to thoroughly equip and prepare us as Christians for every good work. The Holy Spirit uses the Bible to guide us.
1 As soon as all the kings who were beyond the Jordan in the hill country and in the lowland all along the coast of the Great Sea toward Lebanon, the Hittites, the Amorites, the Canaanites, the Perizzites, the Hivites, and the Jebusites, heard of this,