Eric Dinerstein said this quote

“ If the shrike did not eat the grasshoppers, then the grasshoppers would eat all the grass, and there would be none left for the deer...and the deer are food for the tiger. Life in the jungle is a giant spiderweb; if you touch one strand, it will vibrate at the other end. We cannot separate nature into good and bad, Rita. The gods do not will it so. ”