Joshua 1:7
“Only be thou strong and very courageous, that thou mayest observe to do according to all the law, which Moses my servant commanded thee: turn not from it to the right hand or to the left, that thou mayest prosper whithersoever thou goest.”
King James Version (KJV)
Read this verse in context with translation switching:
Read Full Chapter →Context
As God commissions Joshua to lead Israel into Canaan, He shifts the focus from military victory to faithfulness. Joshua's success will depend not only on courage in battle but on careful, complete obedience to the law God gave through Moses.
What Does Joshua 1:7 Mean?
Joshua 1:7 deepens the call to courage by tying it directly to obedience: "Only be thou strong and very courageous, that thou mayest observe to do according to all the law." Here the strength Joshua needs is not merely for battle but for faithfulness. It often takes more courage to obey God fully than to face an enemy on the field. The verse stresses completeness: he is to keep "all the law" and to "turn not from it to the right hand or to the left." The path of obedience is a straight road, with deviations possible on either side -- whether by adding to God's commands or subtracting from them, by legalism or laxity. Joshua is to walk it without veering. The promised result is striking: "that thou mayest prosper whithersoever thou goest." Success in his calling is connected to wholehearted obedience to God's word. This is not a transaction where obedience buys blessing, but a recognition that walking in step with God's revealed will is the path on which His blessing flows. The God who gives the mission also gives the instructions, and the wise leader follows them carefully rather than relying on his own judgment.
The word "only" is telling. Of all the things Joshua might focus on, God narrows it to this one essential: hold fast to His word and do it. Military strategy mattered, but obedience mattered more. The same priority holds for every follower of God. Courage and success are bound up with faithfulness to what God has said. We are tempted to drift to the right or the left, to trim God's commands to fit our preferences. Joshua 1:7 calls us back to the straight path of wholehearted obedience, assuring us that the road God marks out is also the road of true prosperity -- not always ease, but the deep flourishing of a life aligned with God's will.
In the Original Language
The Hebrew 'shamar' (observe) means to keep, guard, and watch carefully, while 'sakal' (prosper) means to act wisely and thereby succeed -- success rooted in wise obedience.
Cross References
“Ye shall observe to do therefore as the LORD your God hath commanded you: ye shall not turn aside to the right hand or to the left.”
- Deuteronomy 5:32
“This book of the law shall not depart out of thy mouth; but thou shalt meditate therein day and night.”
- Joshua 1:8
“And he shall be like a tree planted by the rivers of water, that bringeth forth his fruit in his season.”
- Psalm 1:3
Application
Recognize that obeying God fully often takes more courage than facing visible enemies. Hold to His word without veering to the right or left, neither trimming His commands nor adding your own, and trust that the path of wholehearted obedience is also the path of true flourishing.