One of my favourites! Brad Dourif as Lon Suder is fantastic and seeing Tim Russ stretching his acting muscles a little more than the usual dry Tuvok demands was great.

“You know, I’m really easy to get along with - most of the time - but I don’t like bullies, and I don’t like threats - and I don’t like you”

Edit: A close second is “Survival is insufficient”

Upvote because it fits the original better, but I’m protesting the Yar slander.