There's no such thing as the unknown, only things temporarily hidden, temporarily not understood.
Read more Captain James T. Kirk QuotesFrom: Star Trek Beyond
Doctor 'Bones' McCoy : You guys break up? What'd you do?Commander Spock : A typically reductive inquiry, Doctor.Doctor 'Bones' McCoy : You know, Spock, if an Earth girl says, uh, "it's me, not you," it's definitely you.
To the Enterprise... and to absent friends.
Commander Spock : Fascinating.Doctor 'Bones' McCoy : Ominous. Dark. Dangerous.