If you want to hear Maezumi Roshi's teisho on the cases in the Book of Equanimity, you can buy a (fairly) complete set of talks on a USB drive from here:
With this koan, the "seeing" aspect has had the strongest resonance for me. As in connection, attention.
Thank you Jundo, as yet I have some expectations. So Will I drop behind? I think not as Shikantaza seems okay, and I sit wit other forms and teachers
Everyone's responses have been great. I agree with Marco and Warren that Wick's commentary ".... I think the brain is using the scientists in order