• ex cathedra (idiom): with the authority which comes with one’s position; this phrase is often used in reference to papal decrees deemed infallible; it is Latin for “from the chair”, and can be used as both an adjective and an adverb; [e.g.]: “This is an ex cathedra statement from the pope, and the Catholic Church must abide by it”; “The CEO was speaking ex cathedra when he made this announcement, so we need to change our approach immediately”. ~ (Farlex Dictionary of Idioms).

• to be preoccupied with trifles in exigent circumstances/ heedless behaviour in the midst of a crisis/a callous disregard for human suffering (the violin was not invented until many centuries after 64 CE).

[Dictionary Definition]: ‘get blood out of a stone: achieve the impossible ...’. (Oxford Dictionary).

[Dictionary Definition]: ‘get stick: criticism, abuse, blame, censure, reproach, reproof, condemnation’. (Oxford Dictionary).

Get their Rocks off: 

get their rocks off on something (vulgar slang): to be or become particularly excited by or enthusiastic about something, esp. in, or likened to, a sexual manner; [e.g.]: “There are a lot of trolls online who get their rocks off on insulting or annoying other users”; “It’s pretty creepy how some people on the internet get their rocks off on stuff like this”. ~ (Farlex Dictionary of Idioms).

Give Lie To:

Give the Game Away:

Going Nowhere fast:

going nowhere fast (idiom): to ultimately yield or achieve no useful, beneficial, or successful result or outcome; [e.g.]: “This meeting is going nowhere fast; we’ve been here for over two hours, now, and haven’t even been able to come up with a name for our product!”; “It appears that talks between Democrats and Republicans on a compromised spending bill are going nowhere”. ~ (Farlex Dictionary of Idioms).

Hidden in Plain View:

In the Main:

In the Meanwhile ...

‘... the purpose of applying the method, which the identity inhabiting this flesh and blood body all those years ago both devised and put into full effect, is two-fold – to be of an immediate benefit (an ongoing affective felicity/ innocuity) and an ultimate benefaction (an enduring actual felicity/ innocuity) – and is thus a win-win situation inasmuch as in the meanwhile, if the ultimate be yet to come about, a virtual freedom is way, way beyond normal human expectations.
I cannot stress enough how, with a virtual freedom being more or less the norm worldwide, global amity and equity would be an on-going state of affairs’.

In No Uncertain Terms: 

in no uncertain terms (idiom): emphatically, definitely so; [e.g.]: “She told them in no uncertain terms that she wanted no part of their practical joke”; the double negative in this idiom serves for emphasis; see also: “in so many words”. [mid-1900s]. ~ (The American Heritage Dictionary of Idioms).

• jiggery-pokery (n.; informal; chiefly Brit.): dishonest or deceitful behaviour or business; trickery. [C19: from Scottish dialect joukery-pawkery]. ~ (Collins English Dictionary).