Great people: Parmenides.

Parmenides of Elea (Παρμενίδης ὁ Ἐλεάτης) an Ancient Greek philosopher. He was born in Elea, Magna Graecia. 

Being was his philosophy idea.

Parmenides influenced other philosophers.

Famous people and their quotes. Part eighty nine.

                                                          Parmenides.

“We can speak and think only of what exists. And what exists is uncreated and imperishable for it is whole and unchanging and complete. It was not or nor shall be different since it is now, all at once, one and continuous.”

“To be and to have meaning are the same.”

“Wherefore all these things are but the names which mortals have given, believing them to be true”

Source of information:

https://www.goodreads.com/author/quotes/357208.Parmenides