King James Bible
Be ye therefore very courageous to keep and to do all that is written in the book of the law of Moses, that ye turn not aside therefrom to the right hand or to the left;

New King James Version
Therefore be very courageous to keep and to do all that is written in the Book of the Law of Moses, lest you turn aside from it to the right hand or to the left,

American Standard Version
Therefore be ye very courageous to keep and to do all that is written in the book of the law of Moses, that ye turn not aside therefrom to the right hand or to the left;

Berean Study Bible
Be very strong, then, so that you can keep and obey all that is written in the Book of the Law of Moses, not turning aside from it to the right or to the left.

Douay-Rheims Bible
Only take courage, and be careful to observe all things that are written in the book of the law of Moses: and turn not aside from them neither to the right hand nor to the left:

English Revised Version
Therefore be ye very courageous to keep and to do all that is written in the book of the law of Moses, that ye turn not aside therefrom to the right hand or to the left;

World English Bible
"Therefore be very courageous to keep and to do all that is written in the book of the law of Moses, that you not turn aside from it to the right hand or to the left;

Young's Literal Translation
and ye have been very strong to keep and to do the whole that is written in the Book of the Law of Moses, so as not to turn aside from it right or left,

Joshua 23:6 Additional Translations ...