Portrait of Plato


427–347 BCE

Greek philosopher

Let no one ignorant of geometry enter here.

TOPICS: geometry

He who can properly define and divide is to be considered a god.

TOPICS: none

Numbers are the highest degree of knowledge. It is knowledge itself.

TOPICS: numbers

Geometry existed before the creation.

TOPICS: geometry

God ever geometrizes.

TOPICS: God, geometry

No nature except an extraordinary one could ever easily formulate a theory.

TOPICS: theory

He is unworthy of the name of man who is ignorant that the diagonal of a square is incommensurate with its side.

TOPICS: none

Then, my noble friend, geometry will draw the soul towards truth, and create the spirit of philosophy, and raise up that which is now unhappily allowed to fall down.

TOPICS: geometry

SOURCE: The Republic, VII. 522-528, “Quadrivium”