"If you succeed in doing these right," said he, "you may set yourself some others of the same kind, with different numbers, and perform those too.

If you get into any difficulty, you must not ask me, but you may set yourself sums in addition, and spend the rest of the hour in doing them.

That, you can certainly do without help." "Yes," said Marco, "I can do that." "The next half-hour is for writing," said Forester.

"I will set you some copies." So Forester took a writing-book, which he had prepared, and wrote Marco some copies, one on the top of each page.

Marco looked over him while he wrote.