Berean Study Bible
Therefore, my beloved brothers, be steadfast and immovable. Always excel in the work of the Lord, because you know that your labor in the Lord is not in vain.

King James Bible
Therefore, my beloved brethren, be ye stedfast, unmoveable, always abounding in the work of the Lord, forasmuch as ye know that your labour is not in vain in the Lord.

American Standard Version
Wherefore, my beloved brethren, be ye stedfast, unmoveable, always abounding in the work of the Lord, forasmuch as ye know that your labor is not vain in the Lord.

Darby Bible Translation
So then, my beloved brethren, be firm, immovable, abounding always in the work of the Lord, knowing that your toil is not in vain in [the] Lord.

Douay-Rheims Bible
Therefore, my beloved brethren, be ye steadfast and unmoveable; always abounding in the work of the Lord, knowing that your labour is not in vain in the Lord.

English Revised Version
Wherefore, my beloved brethren, be ye stedfast, unmoveable, always abounding in the work of the Lord, forasmuch as ye know that your labour is not vain in the Lord.

Young's Literal Translation
so that, my brethren beloved, become ye stedfast, unmovable, abounding in the work of the Lord at all times, knowing that your labour is not vain in the Lord.