When was the last time you changed your mind on a matter of deep principle? You felt one way on an important issue, and then you flipped and came down on the other side? If that has happened to you, what inspired your change of thinking? What changed your mind?  
Pharaoh and his courtiers changed their minds not once but twice. For a long time, he was not going to let the people go. Then after the tenth plague he changed his mind. Not only can they go, they need to go now. ASAP. And then in the reading for the seventh day, they change their minds again. What did we do? Why did we ever let them go? Let’s get them back, now. Send out our finest soldiers and chariots to take back our slaves. 
When we discussed these biblical texts at services, a number of people volunteered that they had indeed changed their minds on important issues. It was always a personal relationship that prompted the change. 
I was against LGBTQ plus inclusion, but then a family member came out; now I am for it. 
I did not understand trans. It was not my issue. Then my grandchild announced that they are transitioning. Now I really care about this issue. 
Fifty years ago I was against women’s equal participation in Jewish ritual. Then my daughters had their Bat Mitzvah. And of course my granddaughters. I can’t remember why I was ever against it. 
These narratives suggest that it is personal relationships that drive changing our minds. People we know and love can cause us to think again. 
What about ideas? Have you ever changed your mind because of the power of an idea? Has anyone ever sent you an article, a podcast, a book, a video link, an op-ed, and your response was: I was wrong after all. Does that happen, ever? 
What do our sources suggest? Do ideas ever change our minds? Or is it only people and relationships that change our minds? What does all this suggest about the minds we need to change now, and how do we go about doing it?