Ask not the elves for advice, because they will tell you both ‘yes’ and ‘no’.

— J. R. R. Tolkien

Another riddle, perhaps?

http://en.wikipedia.org/wiki/Little,_Big

https://en.wikipedia.org/wiki/Sic_et_Non

https://en.wikipedia.org/wiki/Peter_Abelard

[*8.43, *8.130]

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