Ok, random request. In the flurry of recent threads on the new Cosmos, someone mentioned a quote from Carl Sagan to the following effect: He remembered the challenges he had to overcome in learning difficult things, which explained why he was good at popularizing science. More naturally gifted people learn with less effort and thus have a harder time conveying their understanding to a wider audience.
Hopefully someone has a clue what I’m talking about!! If you can find the quote I’ll be eternally grateful. This is gold for me (I’m a teacher and feel the same way).