8:57

David Deutsch - What is Ultimate Reality?

17:15

David Deutsch: Une nouvelle façon d'expliquer l'explication

13:40

What is "Nothing"?

26:47

What is Truth? | Episode 1405 | Closer To Truth

19:46

David Deutsch : notre place dans le cosmos

27:32

What Is Truth? | Billy Graham Classic Sermon

13:29

David Deutsch - Which Laws of Nature are Fundamental?

9:29

The Multiverse is real. Just not in the way you think it is. | Sean Carroll