Jundo Cohen I came across a passage from Okamura Roshi today which made a similar point, although better:
“Sometimes this world [during Zazen sitting] becomes very bright, and sometimes a person may feel he or she understands everything. It may seem at this time that there is no doubt or question remaining about anything; everything is okay as it is. But that is just a condition arising from the states of the body, mind, temperature, humidity and all other conditions of our lives. These conditions are not the important point of our practice. Our practice is to keep an upright posture in any condition; we just go through all conditions. …Sometimes we have no clouds at all with a completely blue sky, and this is very beautiful. More often we have different kinds of clouds coming and going. Sometimes more than half of the sky is covered with clouds, and sometimes the entire sky is completely covered with clouds, or even storms arise. There are many different kinds of conditions we must sit through in zazen, but the purpose of our practice does not include controlling the weather. The important point is to maintain this upright posture in whatever conditions we encounter. …When we sit zazen, many different kinds of thoughts come up. We may think some thoughts are really good ideas, yet in zazen we have to let go of them; we open the hand of thought. Whether we like our ideas or whether we experience negative feelings about something, we try to let go because that is zazen. I think this letting go is the way we are free from our clinging, our preferences, our systems of value, and our ways of thinking. This zazen itself is freedom from attachment.” (https://terebess.hu/zen/mesterek/zazen_instructions.pdf)
Reality is Dharma 