For you, brothers and sisters, became imitators of the churches of God in Christ Jesus that are in Judea, because you too suffered the same [kind of] persecution from your own countrymen, as they did from the Jews,

And we sent Timothy, our brother, and a helper of God, and our fellow workman in the good-news of the Christ, in order to establish you and to encourage you about your faith,

So, when we could not stand it any longer [Note: Paul's concern for the spiritual well-being of the Thessalonian Christians became unbearable], we [i.e., I, See verse 5] thought it best to be left behind, alone, at Athens [Note: Paul was willing to labor alone at Athens, so he could send his fellow-workers to minister to others. See Acts 17],