The wolf and the horse 狼和马

A wolf on his rambles came to a field of oats, but, but being able to eat them. He was passing on his way when a horse came along. "Look," said the Wolf, "here's fine field of oats. For your sake I have left it untouched, and I shall greatly enjoy the sound of your teeth munching the ripe grain." But the horse replied, "If wolves could eat oats. my fine friend, you would hardly have indulged your ears at the cost of your belly."

There is no virtue in giving to others what is useless to oneself.

一只狼溜达着来到一个麦田，然而，狼并不吃大麦，看见一匹马走过来，他便让开了。狼对马说：“看吧，这是一块上好的麦田，为了给你留着，我都没敢动。而且，我非常喜欢听你牙齿咀嚼成熟麦穗的声音。”然而，马却回答说：“朋友，如果狼能吃大麦，你就未必喜欢听我吃麦穗的声音了。”

将已所不欲施与他人，并无美德可言。