Martha: Oh, Clark. Did you find what you were looking for? Clark: I thought, hoped... It might still be there. Martha: Your home? Clark: That place was a graveyard. I am all that's left. Martha: Clark... The universe is a big place. And you don't know who's out there. And even if you are the last... You're not alone. Clark: I know.
Clark is telling his mother about his trip to look for his home world.