Genesis 49:15

And having seen the resting place that it was good, and the land that it was fertile, he subjected his shoulder to labour, and became a husbandman.

And he saw that rest was good, and the land that it was pleasant; and bowed his shoulder to bear, and became a servant unto tribute.

He saw a resting place, that it was good, the land, that it was pleasant. He bows his shoulder to the burden, and becomes a servant doing forced labor.