Many animals even now spring out of the soil, Coalescing from the rains and the heat of the sun. Small wonder, then, if more and bigger creatures, Full-formed, arose from the new young earth and sky. The breed, for instance, of the dappled birds Shucked off their eggshells in the springtime, as Crickets in summer will slip their slight cocoons All by themselves, and search for food and life. Earth gave you, then, the first of mortal kinds, For all the fields were soaked with warmth and moisture.
LucretiusFrom the midst of the very fountain of pleasure, something of bitterness arises to vex us in the flower of enjoyment.
LucretiusUnder what law each thing was created, and how necessary it is for it to continue under this, and how it cannot annul the strong rules that govern its lifetime.
LucretiusCertainly it was no design of the atoms to place themselves in a particular order, nor did they decide what motions each should have. But atoms were struck with blows in many ways and carried along by their own weight from infinite times up to the present.
Lucretius