Immediately after, all the boys were in their places, with their books open before them, and in the thrilling silence you might have heard a pin drop.

Every one felt that Mr.Rose was master of the occasion, and awaited his next step in terrified suspense.
They all perceived how thoroughly they had mistaken their subject.

The ringleaders would have given all they had to be well out of the scrape.
Mr.Rose ruled by kindness, but he never suffered his will to be disputed for an instant.

He governed with such consummate tact, that they hardly felt it to be government at all, and hence arose their stupid miscalculation.

But he felt that the time was now come to assert his paramount authority, and determined to do so at once and for ever.
"Some of you have mistaken me," he said, in a voice so strong and stern that it almost startled them.