NET
13 Then you will succeed, if you carefully obey the rules and regulations which the Lord ordered Moses to give to Israel. Be strong and brave! Don’t be afraid and don’t panic!
Darby
13 Then shalt thou prosper, if thou takest heed to perform the statutes and ordinances which Jehovah commanded Moses for Israel: be strong and courageous; fear not, neither be dismayed.
KJV
13 Then shalt thou prosper, if thou takest heed to fulfil the statutes and judgments which the LORD charged Moses with concerning Israel: be strong, and of good courage; dread not, nor be dismayed.