'We' for 'I' in writing

[sagehen]

>I at least imagine there's a slight difference, emerging from the
>usual function of "from" to indicate source and "for" either goal or,
>in this case, benefactive/substitutive (= 'for the sake of').   The
>"tell them from me", in other words, is something like 'make it clear
>to them that the information comes from me', while "tell them for me"
>is either 'tell them in my stead" or 'tell them for my sake' or
>whatever, but in any case without the implication that I am (that is,
>Mark is) the source of the opinion.
>
>L
 ~~~~~~~~
To my ear. the "from" form has a slightly imperious tone, while the "for"
one  is more like simply asking a favor.
AM

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