一隻狐狸在跨過一條水流湍急的河的時候，不小心被衝到一個又深又窄的山穀中，弄得傷痕累累，躺在地上不能動彈。一群饑餓的吸血蟲飛過來把狐狸緊緊圍住，拚命吸他的血。這時一隻刺蝟路過，看到如此悲慘的狐狸，就想幫助他把吸血蟲趕走。不料，狐狸說道： “拜托你了，千萬不要打擾他們！ ”刺蝟很是不解： “為什麼？你難道不希望擺脫他們嗎？ ”狐狸回答道： “不，這些蟲子已經吸飽了我的血，就不會再咬我了。如果你把他們趕走，就會有更多饑餓的蟲子過來的，到時候我的血會被吸幹的。 ”
在改變自己處境的時候，務必要認真考慮。
A Fox swimming across a rapid river was carried by the force of the to a very deep ravine，where he lay f time very much bruised，siable to move. A swarm of hungry blood-sug .ies settled upon him. A Hedgehog，passing by，saw his anguish and inquired if he should drive away the .ies that were t him. “By no meahe Fox；“pray do hem.”“How is this?” said the Hedgehog；“do you not wahem?”“he Fox， “for these .ies which you see are full of blood，and stile，and if you rid me of these which are already satiated，ry will e in their plad will drink up all the blood I have left.”
sider carefully befing your situation.