Faith in Action
Exodus 17:8–13 (NASB95)
8Then Amalek came and fought against Israel at Rephidim. 9So Moses said to Joshua, “Choose men for us and go out, fight against Amalek. Tomorrow I will station myself on the top of the hill with the staff of God in my hand.” 10Joshua did as Moses told him, and fought against Amalek; and Moses, Aaron, and Hur went up to the top of the hill. 11So it came about when Moses held his hand up, that Israel prevailed, and when he let his hand down, Amalek prevailed. 12But Moses’ hands were heavy. Then they took a stone and put it under him, and he sat on it; and Aaron and Hur supported his hands, one on one side and one on the other. Thus his hands were steady until the sun set. 13So Joshua overwhelmed Amalek and his people with the edge of the sword.
Commentary - Faith in Action
The Israelites faced a new and greater challenge at Rephidim when the Amalekites attacked. This was the fourth crisis on their journey, following bitter water at Marah, the provision of manna, and water from the rock. God had used each of those earlier, smaller crises to build Israel’s faith and trust, preparing them for larger tests. This is one of those tests. Spiritual formation often unfolds this way. God shapes His people through a series of incremental trials, each preparing us for the next. The Amalekite attack was not just another hardship. It was the first time since the Exodus that Israel faced a direct military threat, a clear and present danger, and it marked a turning point in their journey from slavery to nationhood.
The Amalekites and their attack continue themes that began in Genesis. They were descendants of Esau through his grandson Amalek, carrying forward the ancient rivalry between Esau and Jacob. They were nomadic and aggressive, known for attacking vulnerable groups. Their unprovoked assault on Israel was more than a random act of violence. It represented the ongoing spiritual opposition to God’s covenant purposes. Throughout Scripture, Amalek stands as a symbol of the forces that rise up against God’s redemptive plan.
Moses responded by sending Joshua to lead the Israelites into battle while Moses stood on a hilltop with the staff of God in his hands. The battle’s outcome was directly tied to Moses’ actions. When his hands were raised, Israel prevailed. When he grew tired and lowered them, Amalek gained ground. This can only be explained as a divine miracle. The raised hands pointed to heaven, symbolizing intercession and dependence on God. Victory did not come from military strength but from looking to God for help. When Moses’ arms grew weary, Aaron and Hur stood on either side and held them up, enabling intercession until sunset. This is a powerful picture of the ministry of support within the people of God. The New Testament calls the church to function as a body, with each member supporting the others (Romans 12, 1 Corinthians 12). Paul urges believers to pray at all times and to persevere in intercession (Ephesians 6:18). When leaders grow tired, the community must come alongside and help.
Yet, the Israelites were not passive spectators. Joshua led real soldiers into a real battle. They fought with courage and determination. God’s miracle did not remove the need for human action. Faith and works went hand in hand. James 2:17 reminds us that faith without works is dead. God calls His people to trust Him fully while also engaging as active participants in the work He sets before them. The miraculous and the practical are never separated in God’s plan.
There are deep theological connections to the New Testament. Joshua’s name in Hebrew, Yehoshua, is the same as Jesus in Greek, both meaning “the Lord is salvation.” Joshua leading God’s people to victory foreshadows Jesus leading His people to ultimate victory over sin and death. Moses, standing on the hill with arms outstretched, has long been seen by Christian commentators as foreshadowing Christ’s outstretched arms on the cross, the ultimate act of intercession for humanity. The battle at Rephidim also points to the reality of spiritual warfare. Paul writes in Ephesians 6:12 that our struggle is not against flesh and blood but against spiritual forces of evil. The church is called to fight these battles through prayer, faith, action, and obedience.
Today, God still builds our faith through smaller trials before bringing us to greater ones. We are called to intercede together, to support one another when we grow weary, to look to the heavens for victory, and to remain active participants in God’s work. We do not get to choose between trusting God and acting on our faith. We are called to do both, side by side. May we be a church that lifts one another up, that prays persistently, and that steps forward in faith and obedience regardless of the challenges we face.
In His Service,
Ryan Goodnight