Parmenides

"Change would require being to acquire nonbeing."

"The world of sense is a world of illusion."

"True knowledge is knowledge of being."

"Being is necessity itself."

"Contingency is impossible in true being."

"All is one; multiplicity is unreal."

"The universe has no parts or divisions."

"What appears to move is really still."

"Reality is radically different from appearance."

"The pursuit of truth demands intellectual courage."

"Being and thought are inseparable."

"The rational is real; the irrational is impossible."

"Understanding requires abandoning common assumptions."

"Being admits no gradations or degrees."

"Imperfection implies nonbeing."

"Reality is self-sufficient and complete."

"The cosmos is eternal and unchanging."

"What is necessary cannot be otherwise."

"Possibility must be grounded in being."

"The world of becoming is fundamentally illusory."

"Being is homogeneous throughout."

"Diversity implies defect or imperfection."

"The infinite is impossible; being must be finite."

"What is, is exactly what it is."

"Identity and difference cannot coexist in being."

"Being is completely determinate."

"Indeterminacy would imply nonbeing."

"The universe forms a perfect sphere."

"All points in being are equidistant from the center."

"Uniformity is the mark of true being."