"Owen Duffy" wrote

but we as a community are apparently not sufficiently interested
in quantifying things these days.
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"When you can measure what you are speaking about and express it in
numbers you know something about it. But when you cannot measure it,
when you cannot express it in numbers, your knowledge is of a meagre
and unsatisfactory kind. It may be the beginning of knowledge but you
have scarcely in your thoughts advanced to the state of science."

: William Thomson, Lord Kelvin, 1824-1907.
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Arithmetic is not taught in Western schools and universities any more.
Even teachers are innumerate!
----
Reg.