A man who has mapped the stars but unmapped his own heart ha... - Eratosthenes

"A man who has mapped the stars but unmapped his own heart has accomplished nothing."

Eratosthenes

Mathematician Geographer Ancient Greece 276–194

More from Eratosthenes

"Measure the Earth and you measure the heavens."

"Knowledge is the greatest treasure of all."

"The pursuit of truth requires courage and perseverance."

"In mathematics, all things are possible."