Exodus 4:15 Meaning: God with Your Mouth and Theirs
You shall speak to him, and put the words in his mouth. I will be with your mouth, and with his mouth, and will teach you what you shall do.
And thou shalt speak unto him, and put words in his mouth: and I will be with thy mouth, and with his mouth, and will teach you what ye shall do.
And thou shalt speak unto him, and put the words in his mouth: and I will be with thy mouth, and with his mouth, and will teach you what ye shall do.
and thou hast spoken unto him, and hast set the words in his mouth, and I--I am with thy mouth, and with his mouth, and have directed you that which ye do;
And thou shalt speak unto him, and put the words in his mouth; and I will be with thy mouth, and with his mouth, and will teach you what ye shall do.
Meaning in one sentence
Exodus 4:15 shows God's solution to Moses' speech struggle: He promises to be with both Moses and Aaron, teaching them what to say and do.
Context
Moses has run out of excuses. At the burning bush, he told God he cannot speak well, that he is slow of speech and tongue. God answered with a question: Who made the mouth? Then He offered Aaron as a partner. Now, in this verse, God gives the specific plan. Moses will receive the words and pass them to Aaron. God promises to be present with both of their mouths, teaching them what to do. This is God's answer not just to a speech problem but to a heart that doubted His power to work through weakness.
Key Words
Three Hebrew words carry the weight of this promise. The first is sam, 'to put' or 'to set.' This is not a casual suggestion; Moses is to deliberately place the words into Aaron's mouth, like setting a foundation. The word peh, 'mouth,' appears three times in the verse. It means more than a body part: it is the organ of speech, the place where words become action. God is promising to be with that very place. And then yarah, 'I will teach,' is the same root as the word Torah, instruction. God will not just give words; He will direct and guide what to do. This teaches that divine enablement reaches beyond eloquence into every step of obedience.
How Christians Read This Verse
Christians across traditions have seen in this verse God's willingness to work through human partnership. Barnes notes that Moses retains his position as mediator; the word comes to him first, and he transmits it to his brother. Wesley adds that even Aaron, who could speak well, could not speak to purpose without God's constant grace. Gill emphasizes that both were dependent on the Lord and under His direction. Cambridge compares Aaron to a prophet speaking for Moses. While traditions differ on how directly God inspires speech today, all agree on the core truth: God meets our weakness not by removing it but by providing His presence and often a partner.
A common misunderstanding
Some think this verse means Moses never had to open his mouth again. In fact, God gives him a partnership, not a pass. Moses still speaks, still conveys God's message to Aaron. Both rely on God's teaching. The promise covers both mouths, not just Aaron's. Moses' role is not diminished; it is shared.
Living This Out
This week, you might face a situation where you feel you lack the right words. A difficult conversation with a family member. A moment to share your faith. A hard truth you need to speak at work. This verse invites you to do two things. First, speak what you do know, even if it feels small. Moses had to speak to Aaron first. Second, trust that God is with your mouth. He can take your hesitant words and make them carry His weight. And if you need help, He may place someone alongside you. You are not alone in your weakness.
Main takeaway: God promises to be present with our speech and to teach us what to say and do, even when we feel inadequate.
For Families
For ages 5, 8
Moses told God he was not good at talking. God gave him his brother Aaron to help. God said He would help both of them speak. When something is hard for you, God can help you too, sometimes by giving you a helper.
For ages 9, 12
Moses thought his lack of speaking ability disqualified him from God's call. Instead of fixing his weakness instantly, God gave him a partner and promised to teach both of them. This shows that God often works through our limits, not around them. When you feel too weak for something God asks, remember He can work through your struggles and give you the right words, often with help from others.
Questions People Ask
Why did God get angry with Moses in Exodus 4?
Moses had already received two signs and God's promise of help, yet he kept making excuses. His final plea, 'Send someone else,' revealed reluctance, not humility. God's anger came from Moses' refusal to trust His power to equip.
Does this verse mean we should never speak without God's direct words?
No. The context is a specific mission: Moses speaking to Pharaoh. The principle, however, is that God cares about our speech and promises to be with us when we speak for Him. We still use our minds and preparation, trusting His guidance.
What does 'put the words in his mouth' mean practically?
It means Moses would tell Aaron what God said, and Aaron would then express it. It implies careful communication and partnership. God's words came through Moses first, then through Aaron's eloquence.
How does this apply to Christians who don't have an Aaron?
The core truth is God's presence with our speech. The specific partnership with Aaron was unique to Moses' situation. But believers today have the Holy Spirit and the body of Christ, and God often provides others to help us speak and serve.
For pastors & researchers
Hebrew interlinear, 8 commentaries & word study