Do what you deem wise!

An example of negation in Quenya, both as an independent adverb as well as a prefix.

A translation was provided on the same page:

Not to do, in this case, what you judge good would be unwise.

— Source [PE22:142]. Published 2017-09-12T16:48:50+00:00 and edited 2017-09-12T16:51:28+00:00 by Aldaleon