It's important to recognize and understand the layers of assumptions we make when reasoning from first principles in order to truly learn. Focusing on what is in our control, both internally and externally, is essential for success in Jiu-Jitsu.
The speaker has been fortunate to train with many martial arts heroes and learned from them, including Josh Waitskin, a former owner of Marcelo's Academy.
The importance of understanding communication fundamentals and not simply replicating others when communicating is discussed in this episode.