The episode gives some understanding on how we have been manipulated into giving control over our minds.
Also how we think we are so knowledgeable and we know so little.
Saying I don't know can actually help us to understand things more instead of just believing or think we are knowing.
The Century Of The Self
https://youtu.be/DnPmg0R1M04 part1
https://youtu.be/fEsPOt8MG7E part 2
