A tumor's causing my visions. That explains a lot doesn't it? Cold hard science.
Humans always look for narrative and causality. Nothing that he just said suggests that this mass and your visions are linked in any way.
You don't want to believe it.
All S1
S1 E15Unfinished Business
Now, I know it's hard. All those chemicals swirling around. Your heart aches, your head hurts, makes it hard to concentrate, doesn't it?
Yeah, I don't know how you get anything done.
A little bit of denial and a whole lot of gin.
I envy you. Truly. You know, it's not all harps and halos for us; we have rules to follow. But you, you have your choices. You can act on your visions if you choose to. Now, that's a gift.
My point is we can all shape our destiny, but none of us get to escape our fate. So when my time's up, that's it.
I stare into the face of evil every bloody day. It usually manifests itself as a demon, a malevolent spirit, a bloody zombie, but now...
John, You've encountered human evil before.
I have, but this is something else entirely. We now know what happens when the rising darkness meets the evil in humanity. There's not an evil in any realm more dangerous than that.
The girls were taken by a Satanist.
Why? What does he want them for?
A full moon symbolizes rebirth, but the blood moon most likely sacrifices to usher in the new cycle.
Do you believe in fate?
JJim
I don't know. I guess I just... think what's meant to be will be.
I saw you dead. You asked me before if my visions always come true and I saw you dead.
Opening voiceover
My name is John Constantine. I am the one who steps on the shadows, all trench coat and arrogance. I'll drive your demons away, kick 'em in the bullocks, and spit on them when they're down, leaving only a nod and a wink and a wisecrack. I walk my path alone because, let's be honest... who would be crazy enough to walk it with me?
These quotes come from Wikiquote's Constantine pages and are available under the Creative Commons Attribution-ShareAlike License.