Hi Troy,
I would say that so long as one is sitting Zazen with no thought of gain or payoff at all, complete in the Complete Wholeness of that action, sitting like Buddha sitting Buddha, the Sacredness of Just Sitting as the only place to be and only thing to do in that moment in all time and all space

... no points, no scorecard (for the game is won & one just by taking the field of sitting!) ... nothing in need of adding or taking away, nothing to improve ... Yes, as in your lovely description, Troy, we do not buy into, grab onto or wallow in thoughts and emotions during Zazen (I took out the "I" to emphasize):
When Zazen, let just be. sit past thoughts and emotions ... all comes and goes without clinging ... arises and dissipates, arises and dissipates, forever and ever amen :-)
...
then, rising from the cushion getting on with our day, one can do many things. No problem. One then even finds that
the "many things" and Zazen are not two. So if something is helpful, then good.
I would say that this "reflection" rings of the following, a kind of Vipassana awareness. I sometimes write this:
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Pretty much all schools of Buddhism instruct us to become aware of the games the mind plays, the "monkeymind", or "mind theatre" as I sometimes call it.
When sitting Zazen, we
"just sit" ... we let thoughts go without analysis during Zazen. There is nothing to do or attain in the sitting, nothing to examine or focus upon ... and that non-doing and non-examining is VITAL and SACRED. Even during our busy day, when annoyances or resistance, anger or upset come into mind, we can turn to a bit of "standing Shikantaza" ... just release them, let them go, do not become trapped.
However, "
vipassana" (in the meaning of insight into the human mind theatre) is also vital in about every corner of Buddhism, Zen included. For example, "
thought awareness" as thoughts and emotions arise during our busy day ... when tired, hot, a little angry, happy, etc. ... is a wonderful practice. I might not go so far as to encourage a practice of detailed labeling morning until night, but I also advocate a practice of being aware of the different thoughts that come into mind (just
not --during-- Zazen itself, when we are not to be adding anything). This awareness is, however, a very important part of learning to observe our mind's workings and tricks. So, for example, instead of just feeling angry, greedy or tired, and instead of just saying to ourselves merely "
I am feeling angry/greedy/tired now", we should learn to say to ourselves such things as "
this is my mind now temporarily feeling angry/greedy/tired during present conditions ... I can feel it arising, I can feel it developing, I can feel it passing away, I can let it go". When we learn to do that, experiencing the emotions of the mind becomes just watching a bit of theatre.
All that is good, just not a practice for "during" Zazen, when we observe everything and nothing in particular.
Here is more that I wrote on the topic ...
Again, here is a practice called Nurturing Seeds, related to all this and inspired by some of the writings of Thich Nhat Hahn, which we encourage around here.
http://www.treeleaf.org/forums/showt...Seeds-PRACTICE
Gassho, J