NASB 1995
knowing that from the Lord you will receive the reward of the inheritance. It is the Lord Christ whom you serve.

American Standard Version
knowing that from the Lord ye shall receive the recompense of the inheritance: ye serve the Lord Christ.

Berean Study Bible
because you know that you will receive an inheritance from the Lord as your reward. It is the Lord Christ you are serving.

Douay-Rheims Bible
Knowing that you shall receive of the Lord the reward of inheritance. Serve ye the Lord Christ.

English Revised Version
knowing that from the Lord ye shall receive the recompense of the inheritance: ye serve the Lord Christ.

King James Bible
Knowing that of the Lord ye shall receive the reward of the inheritance: for ye serve the Lord Christ.

World English Bible
knowing that from the Lord you will receive the reward of the inheritance; for you serve the Lord Christ.

Young's Literal Translation
having known that from the Lord ye shall receive the recompense of the inheritance -- for the Lord Christ ye serve;

Colossians 3:24 Additional Translations ...