The cartoon, below, about says it all ... I think ...
Sitting in balance in the mountain-still state, "Think the concrete state of not thinking." "How can the state of not thinking be thought?" "It is different from thinking." This is the secret of sitting-Zen. [NISHIJIMA]
… settle into steady, immovable sitting. Think of not thinking. Not thinking-what kind of thinking is that? Nonthinking. This is the essential art of zazen. [SZTP]
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