Got it! From Ides of Metropolis in Season 1!
"Clark, you don't need me to remind you of your shortcomings. I would have thought, by now... they'd be obvious.
Come on, I'm starving and you're buying. And just in case you _did_ miss the moral to this story -- you should trust what's in people's hearts, not just the facts, ma'am. You know, Clark, I have a funny feeling that you didn't tell me your _biggest_ secret.
Well, just to put your little mind at ease Lois... you're right.
Love that episode!!!!
