Mujo

無常 impermanence

If I make it to 80, I get about 960 months. Here they all are, one dot each, starting with the month I was born in June 1991. The filled ones are already spent.

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Life and death are of supreme importance.
Time swiftly passes by and opportunity is lost.
Do not squander your life.

From the verse on the han, the wooden board struck at dusk in Zen temples