When I was in I would play this before I gave a public talk
https://www.youtube.com/watch?v=BeiiujPbNnU
I had one outline where that was the only prep or research I did before giving it.
Once I learned TTATT these 2 became like my anthems:
This one comes from the opening quote in Terry's life story:
https://www.youtube.com/watch?v=aCnf46boC3I
I cant remember who turned me on to this one I think it was on the way out