The propeller plan failed due to unfavorable timing, insufficient manpower, and lack of materials. A gentleman adapts to…
The propeller plan failed due to unfavorable timing, insufficient manpower, and lack of materials. A gentleman adapts to circumstances. Change to making a flying kite. Build the head at the tail and the tail at the head. Swap left and right, exchange head and tail. This will surely gain a reputation for innovation.
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— From Zero to One: Becoming a Mohist Craft Genius