Star Trek Tos Internet Archive -

“Lieutenant, remind me: what’s the human variable again?”

“Television, Mr. Spock?” Kirk asks.

“That was inefficient,” Spock observes. Star Trek Tos Internet Archive

The Archive flickers. For a moment, its admiral avatar becomes the librarian again—confused, almost sad. “Lieutenant, remind me: what’s the human variable again

“That was human,” Kirk replies.