"So that flowers may bloom with innumerable deaths providing their nourishment, there are countless tragedies buried at the bottom of this beautiful world. But unless you are one of those directly concerned, this is not something you can know. You should simply be captivated by the utterly dazzling beauty and push on; treading firmly on the ground below. For your tragedy, too, is sure to become sustenance and give birth to the blooming of new flowers..."
January 1, 1970
https://en.wikiquote.org/wiki/Made_in_Abyss_(anime)