Though we are all responsible to evaluate our teachers by the fruit of their teaching and lives, it does not necessarily follow that this evaluation is solely an individual responsibility. In fact, we need other Christians who are grounded in the faith to help us do this. The study of church history, our church’s confessions, and membership in a good, local church is necessary to help us weed out the good teachers from the bad. Are you involved in such things?
For further study:
The Bible in a year: