1. Parmenides - Noun
2. Parmenides - Proper noun
a presocratic Greek philosopher born in Italy; held the metaphysical view that being is the basic substance and ultimate reality of which all things are composed; said that motion and change are sensory illusions (5th century BC)
Source: WordNetIt pertains to the very nature of a philosophical question that its answer will not be a "perfectly rounded truth" (as Parmenides said it), grasped in the hand like an apple plucked from a tree. Josef Pieper
At the present moment, the security of coherent philosophy, which existed from Parmenides to Hegel, is lost. Karl Jaspers
Martin Heidegger, Parmenides (1942–1943) Heraclitus
The truth is, that these writings of mine were meant to protect the arguments of Parmenides against those who make fun of him and seek to show the many ridiculous and contradictory results which they suppose to follow from the affirmation of the one. Zeno of Elea
Martin Heidegger, Parmenides. Mike Jones
Although Heraclitus argued for eternal change, his contemporary Parmenides made the radical suggestion that all change is an illusion, that the true underlying reality is eternally unchanging and of a single nature. Source: Internet