So this is a question I think about and tonight an episode aired and im likely practically for sure its my favorite scene of any trek. Granted most of my favorite trek scenes involve spock.
EDITED - so glad I made this post. Its cool to see or hear about peoples scenes.
When quark spells out the logic of peace to his vulcan maquis cell mate.
https://www.youtube.com/watch?v=hdQcGzbpN7s
Absolutely peak quark 👂👌