Matthew Henry Commentary 1 Corinthians 16:13-18

"Watch ye, stand fast in the faith, quit you like men, be strong. Let all that ye do be done in love. Now I beseech you, brethren (ye know the house of Stephanas, that it is the firstfruits of Achaia, and that they have set themselves to minister unto the saints), that ye also be in subjection unto such, and to every one that helpeth in the work and laboreth. And I rejoice at the coming of Stephanas and Fortunatus and Achaicus: for that which was lacking on your part they supplied. For they refreshed my spirit and yours: acknowledge ye therefore them that are such." — 1 Corinthians 16:13-18 (ASV)

A Christian is always in danger and therefore should always be on the watch. He should be fixed in the faith of the gospel, and never desert or give it up. By this faith alone he will be able to keep his ground in an hour of temptation.

Christians should be careful that charity not only reigns in their hearts but also shines in their lives. There is a great difference between Christian firmness and mere feverish warmth or emotional excitement.

The apostle gave particular directions regarding some who served the cause of Christ among them. Those who serve the saints, those who desire the honor of the churches and to remove reproaches from them, are to be highly esteemed and loved. They should willingly acknowledge the worth of such individuals, and of all who labored with or helped the apostle.