No single thing abides; but all things flow. Fragment to fragment clings - the things thus grow Until we know them and name them. By degrees They melt, and are no more the things we know.
LucretiusThus the sum of things is ever being reviewed, and mortals dependent one upon another. Some nations increase, others diminish, and in a short space the generations of living creatures are changed and like runners pass on the torch of life.
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