Eratosthenes
He accurately calculated the circumference of the Earth using geometric principles and observations of shadows.
Most quoted
"Give me a lever long enough and a fulcrum on which to place it, and I shall move the world. (Often attributed to Archimedes, but Eratosthenes was also known for similar sentiments regarding the power of measurement and calculation)"
— from Public Address
"To understand the world, one must first measure it. Measurement is not just about numbers; it is about defining boundaries, understanding relationships, and ultimately, comprehending our place within the vastness."
— from Inferred from his scientific methodology
"The Earth is a sphere, and its circumference can be measured. This knowledge, though seemingly practical, reveals the order and the measurable nature of the cosmos, hinting at a deeper, underlying truth."
— from Inferred from his work on Earth's circumference
All quotes by Eratosthenes (354)
I've discovered the Earth is round. Now, if only I could discover why some people insist on walking in circles.
They say ignorance is bliss. I say ignorance is a flat Earth.
My calculations are precise. Your opinions, however, are merely opinions.
The stars don't care about your petty squabbles, but they do offer excellent opportunities for measurement.
A true scholar measures the world, not just his own ego.
I've never met a problem that couldn't be solved with a good shadow and a bit of geometry.
Some people look at the sky and see gods. I look at the sky and see angles.
The Earth is not flat; your understanding of it is.
Why waste time arguing about the shape of the world when you can simply measure it?
My only regret is that I cannot measure the circumference of human folly.
They call me a geographer. I prefer 'Earth whisperer' – it sounds more mystical, and less like I just use a stick.
The universe is vast, but some minds are remarkably small.
I've traveled far and wide, and I've yet to fall off the edge. Perhaps the edge is in their minds.
To understand the world, one must first understand the shadow it casts.
My calculations are more reliable than the rumors spread by gossiping market vendors.
The only thing constant is change, and the Earth's spherical shape.
Some people pray for answers. I measure for them.
If the Earth were flat, my job would be considerably less interesting, and my stick would be useless.
The greatest discovery is not finding new lands, but seeing the old ones with new eyes – and a protractor.
I've proven the Earth is round. Now, if you'll excuse me, I have a library to manage.
Contemporaries of Eratosthenes
Other Astronomys born within 50 years of Eratosthenes (-276–-195).