I've read A Book of Life too. Agree with you – Kingsley is a fascinating character.

His thinking on Parmenides is just as interesting as on Empedocles, as I'm sure you're aware if you've been reading him.

We can't say for certain what Jesus did or did not know, since he frequently said that he taught the Mysteries of the Kingdom of Heaven in private to his Apostles.

The idea of two contrasting principles at work can be found in Hinduism, with Vishnu and Shiva; there may be some kind of (loose) parallel there to Love and Strife.

My current series on Genesis would seem to be in tune with the Freeman Dyson quote.