The happiness of silkworms lies in spitting all the mulberry leaves they have eaten into white silk, leaving the world with a bright and clean picture of the happiness of gorgeous cows.

A:

The happiness of silkworms lies in spitting all the mulberry leaves they have eaten into white silk. Dead, leaving the world a bright and beautiful.

The happiness of cattle lies in turning the hard soil under their feet into soft fields. Death has left a lot of food, clothing and happiness for mankind.