The fertilized soil for answered prayer is through our intimate communion with the Lord. Moses spent time apart from the children of Israel in fellowship with the Lord. I believe it was Moses’ testimony of intimacy that drew Joshua to join him in the tent of meeting. 

Exodus 33:11 says that after Moses returned to camp, “…his servant Joshua…a young man, did not depart from the tabernacle.” It was Joshua’s training ground to prepare him for receiving the role of the next leader.

There is a principle in Luke 12:48 that we are to follow. It says, “…For everyone to whom much is given, from him much will be required…”   Think about what we have been given ~ the gospel. 2 Corinthians 5:18 says that He has given us the ministry of reconciliation. Verse 20 says, “Now then, we are ambassadors for Christ, as though God were pleading through us…”