When one door closes, another opens, but we often look so long and so regretfully upon the closed door that we do not see the one which has opened for us.—Alexander Graham Bell.
In Acts 16, Paul and his travelling companions wanted to preach the gospel in a certain area, but the Holy Spirit somehow prevented them from going there. God had something different in mind. Acts 16:9-10 says, “During the night Paul had a vision of a man of Macedonia standing and begging him, “Come over to Macedonia and help us.” After Paul had seen the vision, we got ready at once to leave for Macedonia, concluding that God had called us to preach the gospel to them.”
We make plans to do certain things to honor God and obey him, and then God often changes those plans. Rather than gaze sadly at the opportunity that never actually presented itself, it is far more productive to look, and listen, for the task that God has in mind for us. Let us not be so pre-occupied with our original plan that we do not hear our own “call from Macedonia”.