The very best impromptu speeches are the ones written well in advance.
Ever since I was really really little, I was just singing all the time. Like one of my favorite games when I was little would be to just have one of my sisters pick a title, and I would impromptu create that song.
And, finally, Lincoln was not a good impromptu speaker; he was at his best when he could read from a carefully prepared manuscript. Though maybe a teleprompter could have helped that!
We had an exercise in speech class in school, impromptu speaking, that I was always real good at.
Bush is a very poor impromptu speaker. He does fine in small groups but when speaking without a script in front of large groups or answering questions he wasn't prepped for, he has problems.
During one of his uncannily well-timed impromptu visits to my restaurant, Union Square Cafe, Pat Cetta taught me how to manage people. Pat was the owner of a storied New York City steakhouse called Sparks, and by that time, he was an old pro at running a fine restaurant.
It usually takes me more than three weeks to prepare a good impromptu speech.
I'm just preparing my impromptu remarks.