Mice saw bacon in a small room with only one entrance and exit. Most rushed in for the food; a few stayed back seeing a trip. These were right!
The wise avoid things that are too good to be true.
Once upon a time some Mice saw a bit of toasted bacon hanging up in a very little room, the door of which, being open, enticed them to fall to work on the dainty morsel with greedy appetites. But two or three of them took particular notice that there was but one way into the room, and, by consequence, but one way to get out of it; so that if the door by misfortune or art should chance to be shut, they would all be inevitably taken. They could not, therefore, bring themselves to enter, but said that they would rather content themselves with homely fare in plenty, than for the sake of a dainty bit to run the risk of being taken and lost for ever. The other Mice, however, declared that they saw no danger, and ran into the room and began to eat the bacon with great delight. But they soon heard the door fall down, and saw that they were all taken. Then the fear of approaching death so seized them, that they found no relish for the delicious food, and forthwith came the Cook who had set the Trap, and killed them; but the others, who had contented themselves with their usual food, fled into their holes, and by that means preserved their lives.