There are 2 parts to the human brain, often called the "left side" and "cerebral cortex". The left side controls skills such as pottery, colour perception, and imagining butterflies. The Cerebral cortex commonly controls eating, fighting, and imagining what it would be like to drive a tank. In most women and a few men the left hand side of the brain is dominant, from which we get the terms "lefties", "tories" and "imbeciles".
Following on from that, it is impossible to defeat a tank in combat. The only time tanks ever lose, is when the tank drivers (with dominant Cerebral Cortex's) allow their children/wives to drive the tank in ill advised demonstrations of the tank's 'hardness'
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