There is a Chinese idiom referring to a story of a Mantis trying to stop a chariot wheel, the Japanese have it as well. The typical usage now is the obvious one of not knowing your limitations. There was a ancient text, however, with a positive interpretation, where in the story a general praised the mantis for only knowing how to advance, not to retreat, saying it would have made the finest warrior in the empire.
In the Edo period, the craftsmen in Japan were influenced by trade with China and the motif could have meant either a call to bravery or a warning against hubris.
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[Museum](https://art.seattleartmuseum.org/objects/11334/tsuba–praying-mantis-and-wheel)
There is a Chinese idiom referring to a story of a Mantis trying to stop a chariot wheel, the Japanese have it as well. The typical usage now is the obvious one of not knowing your limitations. There was a ancient text, however, with a positive interpretation, where in the story a general praised the mantis for only knowing how to advance, not to retreat, saying it would have made the finest warrior in the empire.
In the Edo period, the craftsmen in Japan were influenced by trade with China and the motif could have meant either a call to bravery or a warning against hubris.