'3 Body Problem' ending: What does Dr Ye Wenjie's 'joke' about God really mean?

The issue with a show as mysterious as Netflix's 3 Body Problem is you want to know the answers now — and that feeling gets amplified with the knowledge we may have to wait another year to get them.One of the biggest cliffhangers David Benioff, D.B. Weiss, and Alexander Woo's sci-fi epic leaves us on is actually a two-parter: What was the real meaning behind the "joke" told by Dr Ye Wenjie (Rosalind Chao) to Saul Durand (Jovan Adepo) on the park bench in episode 7? And in what way could it