observe. take
heed. Some codices, with two early printed editions, Septuagint, Syriac, and Vulgate read "observe and do".
prosper. deal wisely.
Related Commentaries of Joshua 1:7
Joshua 1:7
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 prospera whithersoever thou goest.