[Kirk] Why me?
I look around that bridge and I see the men waiting for me to make the next move. And, Bones... what if I'm wrong? [Dr. McCoy]- Captain...
[Kirk] - I don't really expect an answer. [Dr. McCoy] - But I've got one. Something I seldom say to a... customer, Jim.
In this galaxy, there's a mathematical probability of 3 million Earth-type planets. And in all of the universe, 3 million million galaxies like this. And in all of that and perhaps more, only one of each of us.
Don't destroy the one named Kirk.
Star Trek TOS S01E14 - Balance of Terror