A structure something like this is good as well 
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HEY!!! I thought I devised the wood and cloth propeller,I am beaten to the punch  Oh well,I have a few inovative aviation ideas up my sleeve 
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"Here above us,there is a man twenty meters above the earth,imprisoned in a wooden frame,and defending himself against an invisible danger which he has taken on his own free will.But we are standing below,pushed away,without existence,and looking at this man."
Franz Kafka
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