Verse explainer

What does Joshua 1:7 really mean?

The courage God calls for here isn't battlefield nerve — it's the harder work of staying faithful to the law when every pressure pulls you sideways.

KJV

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.

BSB

Above all, be strong and very courageous. Be careful to observe all the law that My servant Moses commanded you. Do not turn from it to the right or to the left, so that you may prosper wherever you go.

The plain meaning

Joshua has just been commissioned to lead Israel into Canaan after Moses' death. God repeats the charge to be strong and courageous three times in this passage (vv. 6, 7, 9), but only in v. 7 does he tie the command directly to law-keeping. The connection is deliberate: military success will follow moral and legal faithfulness, not raw bravado. The phrase 'turn not to the right hand or to the left' is a standard biblical idiom for strict adherence — adding nothing, subtracting nothing (v. 8 reinforces this with day-and-night meditation on the law). 'Prosper' here carries the sense of acting wisely and with understanding, not merely winning battles. God is telling Joshua that the real test of his leadership isn't facing Jericho's walls — it's whether he will hold the whole law steady under the enormous pressures of command.

The common misreading

"Be strong and courageous" is a general pep-talk about facing hard things with confidence. The verse gets lifted constantly as a motivational tag — courage for job interviews, hard seasons, personal fears. That reading isn't wrong so much as it's incomplete to the point of missing the verse's whole weight. God isn't giving Joshua a pep talk; he's handing him a condition. The full sentence makes the logic plain: be courageous SO THAT you observe all the law — the courage is in service of a specific, demanding task. Verse 8 continues the thought: the law must be on Joshua's lips day and night. The 'right hand or left' idiom, as Gill notes from the Jewish commentators, means neither adding nor subtracting from the commandments — a far more exacting standard than summoning general boldness. The courage being asked for is the kind that holds a hard, specific line under pressure, not the kind that merely steps into the unknown feeling brave.

What the commentators say

John Gill18th c. · PD

Gill observes that 'turning to the right hand or to the left' was understood by Jewish commentators (Ben Gersom) as adding to or subtracting from the law — both deviations equally dangerous. He also notes that 'prosper' in the original carries the sense of acting wisely, so that faithful law-keeping is itself the source of practical wisdom for a commander.

Adam Clarkeearly 19th c. · PD

Clarke reads the double charge — strong and very courageous — as insisting that God's promises do not replace human effort and diligence. The promise that no enemy could stand before Joshua was conditional: he must use every skill and means at his disposal. Clarke's maxim here is pointed: God will not help those who refuse to help themselves, and the same logic applies to obedience.

The word behind it

שָׂכַל sakal

'Prosper' in most English versions, but the Hebrew sakal more precisely means to act wisely, to have insight, to succeed through understanding. Gill and the Septuagint both flag this: the Greek renders it 'that you may understand.' The promise isn't mere military victory — it's that faithful adherence to the law produces the practical wisdom that makes a leader effective in every direction he goes.

Related verses