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By (user no longer on site)
over a year ago
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"In a right-angled triangle, the square of the hypotenuse side is equal to the sum of squares of the other two sides"
Pythagoras' theorem ... he told me about it too  |
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One I learnt at 15 on my first job. "In life no one is irreplaceable" even if they won't be the same, just something that always made me think twice when I felt like being lazy in life or work overall  |
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