Less is more. Exactly right. People expected Lincoln to give an hour-long speech at Gettysburg. They got a few sentences then he sat down, they were shocked.
Say less, do more. Action speakes louder than words.
If you think about it the Democrats have in actuality given Trump a golden opportunity to make some well justified, bold political moves. He could go on the offensive on several fronts and put them on the defensive big time. Strike while the iron is hot. I believe most of the country would applaud his political courage to do the right things that need to be done.