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There are three schools of magic. One: State a tautology, then ring the changes on its corollaries; that's philosophy. Two: Record many facts. Try to find a pattern. Then make a wrong guess at the next fact; that's science. Three: Be aware that you live in a malevolent Universe controlled by Murphy's Law, sometimes offset by Brewster's Factor; that's engineering.
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^__^ (xx)\_______ (__)\ )\/\ U ||----w | || ||
export PS1='\e[1;34m\u@\h \w> \e[m '