http://en.m.wikipedia.org/wiki/Bread_and_Circuses_(Star_Trek:_The_Original_Series)
I don’t know about not reaching for eternal truths. The original had the Bread and Circuses episode with the memorable ending “sir it’s not the sun god they worship it’s the Son of God. “
Close...
The exact quote by Lt. Uhura;
"I'm afraid you have it all wrong, Mister Spock, all of you. I've been monitoring some of their old-style radio waves, the empire spokesman trying to ridicule their religion. But he couldn't. Don't you understand? It's not the sun up in the sky. It's the Son of God."