Just because you can bring up Matthew Arnold doesn't mean you should

“...finally, it is said, he died by leaping into the crater of Etna to prove that he was a god. In the words of the [unknown] poet:

    'Great Empedocles, that ardent soul
    Lept into Etna, and was roasted whole.'

Matthew Arnold wrote a poem on this subject, but, although one of his worst, it does not contain the above couplet.”

— “The History of Western Philosophy” by Bertrand Russell, pg. 53

Terror, full agony of

I was alarmed by so formidable a social occasion, but less alarmed than I had been a few months earlier when I was left tête-à-tête with Mr. Gladstone. ... As I was the only male in the household, he and I were left alone together at the dinner table after the ladies retired. He made only one remark: “This is a very good port they have given me, but why have they given me it in a claret glass?” I did not know the answer and wished the earth would swallow me up. Since then I have never again felt the full agony of terror.

— Autobiography, Vol. 1 by Bertrand Russell