1;  Paul labours with his hands, and preaches at Corinth to the
     Gentiles.
  9;  The Lord encourages him in a vision.
 12;  He is accused before Gallio the deputy, but is dismissed.
 18;  Afterwards passing from city to city, he strengthens the
     disciples.
 24;  Apollos, being more perfectly instructed by Aquila and
     Priscilla, preaches Christ with great efficacy.

 * departed.
  17:32,33 
 * Corinth.
  19:1  1Co 1:2  2Co 1:1,23  2Ti 4:20