This was a line in a 1905 stage play and, I gotta say...
What a bunch of BS.
Ever heard of Albert Einstein, Stephen King, Spike Lee, Steve Wozniak, or Albus Dumbledore?
That last one may be fictional but dammit if Dumbledore wasn't the baddest living wizard in his day (Also Dumbledore's creator, J.K. Rowling, is a helluva teacher herself).
The truth is that teaching is a separate skill from competing and requires mountains of hard-work and introspection so that you can become a trusted guide who genuinely makes an impact on your student's life...
And I believe too few folks in the poker space have taken this responsibility as seriously as they ought to.