An "his mind", "his study" or "his son" is obviously the second meaning...
> Avoid unrelated controversies and generic tangents.
> “And then, one Thursday, nearly two thousand years after one man had been nailed to a tree for saying how great it would be to be nice to people for a change, a girl sitting on her own in a small café in Rickmansworth suddenly realized what it was that had been going wrong all this time, and she finally knew how the world could be made a good and happy place. This time it was right, it would work, and no one would have to get nailed to anything.”
[1]: https://www.goodreads.com/quotes/79195-and-then-one-thursday...