9 Carefully follow the terms of this covenant, so that you may prosper in everything you do.

Read Deuteronomy 29:9 Using Other Translations

Keep therefore the words of this covenant, and do them, that ye may prosper in all that ye do.
Therefore keep the words of this covenant and do them, that you may prosper in all that you do.
“Therefore, obey the terms of this covenant so that you will prosper in everything you do.