Finally, I took the time to hear what Vilenkin had to say...
Here's his last slide:
![[Image: vilenkin_BGV_zpsc6583213.png]](https://images.weserv.nl/?url=i191.photobucket.com%2Falbums%2Fz226%2Fpocaracas%2FAF%2Fvilenkin_BGV_zpsc6583213.png)
And the slides with Guth:
![[Image: Guth_didnt_zps4b6178b8.png]](https://images.weserv.nl/?url=i191.photobucket.com%2Falbums%2Fz226%2Fpocaracas%2FAF%2FGuth_didnt_zps4b6178b8.png)
I suspect the universe "didn't" have a beginning.
![[Image: Guth_didntlikely_zps5e609022.png]](https://images.weserv.nl/?url=i191.photobucket.com%2Falbums%2Fz226%2Fpocaracas%2FAF%2FGuth_didntlikely_zps5e609022.png)
It's very likely eternal - but nobody knows.
So it seems the two authors have a differing take on the probabilities of the matter. Where does that leave us, common folk?
Scratching our heads... we don't know. We can't know (yet).
Here's his last slide:
![[Image: vilenkin_BGV_zpsc6583213.png]](https://images.weserv.nl/?url=i191.photobucket.com%2Falbums%2Fz226%2Fpocaracas%2FAF%2Fvilenkin_BGV_zpsc6583213.png)
And the slides with Guth:
![[Image: Guth_didnt_zps4b6178b8.png]](https://images.weserv.nl/?url=i191.photobucket.com%2Falbums%2Fz226%2Fpocaracas%2FAF%2FGuth_didnt_zps4b6178b8.png)
I suspect the universe "didn't" have a beginning.
![[Image: Guth_didntlikely_zps5e609022.png]](https://images.weserv.nl/?url=i191.photobucket.com%2Falbums%2Fz226%2Fpocaracas%2FAF%2FGuth_didntlikely_zps5e609022.png)
It's very likely eternal - but nobody knows.
So it seems the two authors have a differing take on the probabilities of the matter. Where does that leave us, common folk?
Scratching our heads... we don't know. We can't know (yet).