If one tries is selling something and is desperate for the money then the sale isn’t final until he receives all his money. \u00a0But if he is trying to get rid of bad property, then the sale is final even before he receives all the money. \u00a0The mishna brings cases where one rents an item for a certain purpose and then uses it for a different purpose. \u00a0If the animal died because of the change, the renter is obligated. \u00a0In the first line of the mishna, it seems to imply that the renter is responsible for all cases where a change was made – not necessarily depending on how it died – which is different from the second part of the mishna where it depending on how it died. \u00a0The gemara gives 4 answers – 3 establish the mishna in cases where the animal died because of the change. \u00a0The fourth says that the first part is Rabbi Meir’s opinion and the second part if the rabbis opinion. \u00a0And that Rabbi Meir holds that anyone who goes against the owner’s wishes is called a robber. \u00a0The gemara then tries to figure out where this statement of Rabbi Meir was said.<\/p>\n