Yet ne’er but once the monster tries

The prey it threats to gain:

In its own wrath consumed it dies,

And while it slays is slain.

282. A went to a shoemaker, B, and ordered a pair of boots. At the time appointed for their completion, A called for his boots. The price was $5. A gave B a 20 dollar note, which, not being able to change, he went to C, who gave him four $5 notes. B gave A three of the notes, and kept one. The next day C came to B and told him his $20 note was a counterfeit. B gave C four $5 notes, three of which he borrowed from D. How much did B lose by the operation?

283. When a boy falls, what does he fall against?

284. When he is caught stealing, what does he catch?

285. How many feet ought a thief to have?