[Olog-hai]

Argumentum ad passiones, with all due respect. Also argumentum ad populum.

[goo goo g'joob]

how about this “passionless” argument

1) I can find multiple sources that attribute these exact words to Euclid,

2) I can’t find any sources that attribute these exact words to Kepler (all due respect to Kepler).

If you want to call that “misattribution”, then you win