Wrights' Axioms of Queuing Theory.

1. If you have a choice between waiting here and waiting there, wait there.

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2. All things being equal, it is better to wait at the front of the line.

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3. There is no point in waiting at the end of the line.

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   But note Wrights' Paradox:

4. If you don't wait at the end of the line, you'll never get to the front.

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5. Whichever line you are in, the others always move faster.