"They embraced Paul and affectionately kissed him." ???

[Bible Speaks]

"They embraced Paul and affectionately kissed him."—Acts 20:37. 

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Paul’s life course was in stark contrast to that of those who would in later times take advantage of the flock. He worked to support himself so as not to impose a burden on the congregation. His efforts in behalf of fellow believers were not for personal gain. 

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Paul urged the Ephesian elders to display a self-sacrificing spirit. “You must assist those who are weak,” he told them, “and must bear in mind the words of the Lord Jesus, when he himself said, ‘There is more happiness in giving than there is in receiving.’”—Acts 20:35.

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Like Paul, Christian elders today are self-sacrificing. In contrast with the clergy of Christendom, who fleece their flocks, those who are entrusted with the responsibility to “shepherd the congregation of God” perform their duties unselfishly. Pride and ambition have no place in the Christian congregation, for those who “search out their own glory” will fail in the long run. (Prov. 25:27) Presumptuousness can only lead to dishonor.—Prov. 11:2.

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Paul’s genuine love for his brothers endeared him to them. Indeed, when it was time for him to depart, “quite a bit of weeping broke out among them all, and they fell upon Paul’s neck and tenderly kissed him.” (Acts 20:37, 38) 

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Christians truly appreciate and love those who, like Paul, give of themselves unselfishly in behalf of the flock. After considering Paul’s sterling example, would you not agree that he was neither boasting nor exaggerating when he stated: “I am clean from the blood of all men”?—Acts 20:26.

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https://wol.jw.org/en/wol/d/r1/lp-e/1102009067?q=acts+20%3A37&p=par