Imagine a room of 100 adults, and I am teaching these adults basic math for the first time. I write on my whiteboard that 2+2 = 4. And I repeat this over and over.
Out of these 100 adults, there will be 10% that believe me because I am the teacher, and they understand they are there to learn from me. On the other end of the spectrum, we have the 10% that will never believe me or that 2+2 = 4. So that leaves the middle 80% of who I like to call the “fence sitters.” They want to believe it but are not quite a “believer” just yet because of something in their past. So rather than repeat 2+2=4 repeatedly, hoping to persuade more in the 80% group to believe it, I DEMONSTRATE it.