Joshua 1:8

8 This book of instruction must not depart from your mouth; you are to recite it day and night, so that you may carefully observe everything written in it. For then you will prosper and succeed in whatever you do.

Joshua 1:8 Meaning and Commentary

Joshua 1:8

This book of the law shall not depart out of thy mouth
He was often to read it, frequently repeat it, and speak of it, to refresh his own memory with it, and the memory of those about him. Jarchi restrains it to the book of Deuteronomy now before him:

but thou shalt meditate therein day and night;
whenever he had any leisure from the important business of his office, whether by day or night, see ( Psalms 1:2 ) ;

that thou mayest observe to do according to all that is written
therein;
which frequent speaking of it, and constant meditation on it, would lead unto:

for then thou shalt make thy way prosperous, and then thou shalt have
good success;
in his wars with the Canaanites.

Joshua 1:8 In-Context

6 "Be strong and courageous, for you will distribute the land I swore to their fathers to give them as an inheritance.

7 Above all, be strong and very courageous to carefully observe the whole instruction My servant Moses commanded you. Do not turn from it to the right or the left, so that you will have success wherever you go.

8 This book of instruction must not depart from your mouth; you are to recite it day and night, so that you may carefully observe everything written in it. For then you will prosper and succeed in whatever you do.

9 Haven't I commanded you: be strong and courageous? Do not be afraid or discouraged, for the Lord your God is with you wherever you go."

10 Then Joshua commanded the officers of the people: