Spock: Nothing, Captain. No contacts, no objects in any direction.
Kirk: Care to speculate on what we’ll find if we go on ahead?
Spock: Speculate? No. Logically, we’ll discover the intelligence which sent out the cube.
Kirk: Intelligence different from ours or superior?
Spock: Probably both, and if you’re asking the logical decision to make
Kirk: No, I’m not. The mission of the Enterprise is to seek out and contact alien life.
Spock: Has it occurred to you that there’s a certain inefficiency in constantly questioning me on things you’ve already made up your mind about?
Kirk: It gives me emotional security.
Star Trek – Season 1: Episode 2 – “The Corbomite Maneuver”