A scholar's greatest achievement is not what he knows, but w... - Eratosthenes

"A scholar's greatest achievement is not what he knows, but what he teaches others."

Eratosthenes Leadership

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."

"A leader must be fair and just."

"Integrity is everything."

"One must take responsibility for one's environment."

"In this house, I make the decisions"