A DOG, used to eating eggs, saw an Oyster and, opening his mouth to its widest extent, swallowed it down with the utmost relish, supposing it to be an egg. —
一只习惯吃鸡蛋的狗看到了一只牡蛎，他张开嘴巴到极限，用极大的满足将其吞下，认为这是一个鸡蛋。 —

Soon afterwards suffering great pain in his stomach, he said, “I deserve all this torment, for my folly in thinking that everything round must be an egg.”
不久之后，他的胃疼得厉害，他说：“我应该承受这一切折磨，因为我愚蠢地以为所有圆形的东西都是鸡蛋。”

They who act without sufficient thought, will often fall into unsuspected danger.
那些行动不经过足够思考的人，常常会陷入未料到的危险中。