As soon as Paul had seen the vision, we got ready to leave for Macedonia, concluding that God had called us to preach the gospel to them.
10. Being fully persuaded. Hence we gather, that is was not bare vision, but that it was also confirmed by the testimony of the Spirit. For Satan doth oftentimes abuse ghosts and visures [masks] to deceive withal, that he may mock and cozen the unbelievers.
The Spirit forbade preaching in Asia for good reason: other hands were at work there, the people were not yet prepared, or Christ had other work for Paul, preaching the gospel to Romans, whom the Jews hated most. This westward turn of the light shows where the gospel would flow in ages to come.
AI summary
Commenting on Acts 16:6-15
And after he had seen the vision,.... And considered it, and related it to his companions: and when they had well weighed it, and the circumstances of it: immediately we endeavoured to go into Macedonia; they determined upon it, and took all the proper methods, and made the necessary provisions for it.