Not content to be a king - wanted to be a god. Some thought him a demigod- others a charlatan. He. travelled around Sicily and the Peloponnesus teaching and performing cures, venerated by many. In order to have a death worthy of a deity, he threw himself into Mt. Aetna - or, as another story would have it, was taken up by the gods, somewhat like Elijah. Cosmology - two suns, one authentic sun, fire, and another reflected sun, the one we see.
Light is something which travels very quickly.
Like things are known by like things - if I know fire, fire is found in me, etc. The roots are eternal. In contrast with Parmenide's Entity which is homogenous and unchanging, Entity for Empedocles. is a mixture. All bodies are composed through segregation of the elemental substances. Motion is explained through the forces of love and hate.