1 Thessalonians 4:10

for indeed ye do it toward all the brethren that are in Macedonia. But we exhort you, brethren, that ye abound more and more;

Abound more and more ... This is very similar to 1 Thessalonians 4:1, which see. A strong bond of affection had sprung up among the Macedonian Christians struggling against the pagan culture to maintain the faith and purity to which they were committed. A similar bond automatically exists wherever faithful souls are striving to maintain faith and purity in the midst of divisive and contrary influences. This writer often marveled at the strong bonds of affection among members of the Manhattan Church of Christ, New York City, in the long struggles there.