In his theory atoms are eternal and so is motion. Democritus explained the origin of the universe through atoms moving randomly and colliding to form larger bodies and worlds.
Sa kanyang teorya atom ay walang hanggan at sa gayon ay kilos. Democritus ipinaliwanag ang pinagmulan ng daigdig sa pamamagitan ng atom paglipat ng sapalaran at colliding sa form na mas malaki katawan at worlds.