What is the meaning of John 12:40?

* The two F.O.G. Bibles & Commentary below are currently a work in progress.

“He has blinded their eyes and hardened their hearts, so that they cannot see with their eyes, and understand with their hearts, and turn, and I would heal them.”

Berean Standard Bible (BSB)

“He has blinded their eyes and he hardened their heart, lest they should see with their eyes, and perceive with their heart, and would turn, and I would heal them.”

World English Bible (WEB)

He hath blinded{G5186}{(G5758)} their{G846} eyes{G3788}, and{G2532} hardened{G4456}{(G5758)} their{G846} heart{G2588}; that{G3363} they should{G1492} not{G3363} see{G1492}{(G5632)} with their eyes{G3788}, nor{G2532} understand{G3539}{(G5661)} with their heart{G2588}, and{G2532} be converted{G1994}{(G5652)}, and{G2532} I should heal{G2390}{(G5667)} them{G846}.

Strong's King James

(40) "He has blinded their eyes and He hardened their heart so that they don't see with their eyes, understand with their heart and turn around and I heal them!"

The F.O.G*

[40] "He has blinded their eyes and hardened their hearts, so they can neither see with their eyes, nor understand with their hearts, nor turn to Me for healing."

The F.O.G Paraphrase

‘He hath blinded their eyes, and hardened their heart, that they might not see with the eyes, and understand with the heart, and turn back, and I might heal them;’

Young's Literal Translation