New King James Version
Whoever rebels against your command and does not heed your words, in all that you command him, shall be put to death. Only be strong and of good courage.”

King James Bible
Whosoever he be that doth rebel against thy commandment, and will not hearken unto thy words in all that thou commandest him, he shall be put to death: only be strong and of a good courage.

American Standard Version
Whosoever he be that shall rebel against thy commandment, and shall not hearken unto thy words in all that thou commandest him, he shall be put to death: only be strong and of good courage.

Berean Study Bible
Anyone who rebels against your order and does not obey your words, all that you command him, will be put to death. Above all, be strong and courageous!”

Douay-Rheims Bible
He that shall gainsay thy mouth, and not obey all thy words, that thou shalt command him, let him die: only take thou courage, and do manfully.

English Revised Version
Whosoever he be that shall rebel against thy commandment, and shall not hearken unto thy words in all that thou commandest him, he shall be put to death: only be strong and of a good courage.

World English Bible
Whoever rebels against your commandment, and doesn't listen to your words in all that you command him, he shall be put to death. Only be strong and courageous."

Young's Literal Translation
Any man who doth provoke thy mouth, and doth not hear thy words, in all that thou dost command him, is put to death; only, be strong and courageous.'

Joshua 1:18 Additional Translations ...