"All things spoke peace and plenty, and the Prince Saw and rejoiced. But, looking deep, he saw The thorns which grow upon this rose of life: [...] How lizard fed on ant, and snake on him, And kite on both; and how the fish-hawk robbed The fish-tiger of that which it had seized; The shrike chasing the bulbul, which did chase The jeweled butterflies; till everywhere Each slew a slayer and in turn was slain, Life living upon death. So the fair show Veiled one vast, savage, grim conspiracy Of mutual murder, from the worm to man, [...] The rage to live which makes all living strife—"
January 1, 1970
https://en.wikiquote.org/wiki/Wild_animal_suffering