I've had the good fortune of teaching and preaching across much of the globe, while also struggling to make sense of my experience in my own tiny world.
Preaching a series allows you to go into greater depth in the text, and spending several weeks on one theme allows the teaching to be absorbed more thoroughly.
Preaching vs Teaching:The difference between preaching and teaching: one makes you feel good, the other makes you grow.
Kindness is an open communication between hearts and not required to be learned by searching, teaching, or even preaching."
Preaching is to much avail, but practice is far more effective. A godly life is the strongest argument you can offer the skeptic.
It is the supreme art of the teacher to awaken joy in creative expression and knowledge.