They are not secret, Graham, they're obvious. and also widespread.
His biographers and translators.
They didn't get it
He told them they didn't get it,
They admitted they didn't get it,
And several of them admit they just wanted him to shut up!
Which explains so much.
What? The way he held his hands after a technique? As if to say look at me? Come on now that's significance and implying it's a message.
Statements as above: They didn't, He told them, His biographers and translators, They admitted....... Wow, the mysterious they. Generalisations.
If a person only listens to those who didn't understand then I suppose he can then imagine away nicely. What exactly does that explain?