Which preposition to use with speechifyings

in Occurrences 2%

But that knowledge remained a secret all to my own self for many a long month, for I quickly felt ashamed of that foolish speechifying in an empty church, and I only recall it now because, in trying to trace out one's mental growth, it is only fair to notice the first silly striving after that expression in spoken words, which, later, has become to me one of the deepest delights of life.

of Occurrences 1%

But he had a splendid funeral, with music and banners, and flowery paragraphs in the newspapers; and three eulogiums were pronounced over him, each longer than the last, and this would have pleased him mightily, for he loved speechifying of all things.

Which preposition to use with  speechifyings