House, Season 5

Wilson:
Raising a child on her own is scary. She's just doing what you do, what everyone does: Trying to avoid pain.

House:
Religion is not the opiate of the masses. Religion is the placebo of the masses. You're saying that she's not a hypocrite.

Wilson:
I'm not. I'm trying to give you a rational reason to overlook her hypocrisies so you don't feel like a hypocrite for going.

House:
Oh sorry, continue.

Wilson:
Okay. Even if an absolute truth exists, we can't know all of it. And you can't condemn her for recognizing that.

[After a pause House starts covering the symptoms with a file]

Wilson:
Are you eliminating symptoms?

House:
I can't know everything.

Wilson:
This is medicine not metaphysics.

House:
Truth is truth. [Erases "Hallucination" off the board] It fits.

Wilson:
It doesn't fit. You can't eliminate a symptom.

House:
I can if it's not a symptom.

Wilson:
Well, what is it?

House:
Not a symptom. [walks out]