Accuracy is the soul of Natural History. It is hard to become accurate; he who modifies a hair's breadth will never be accurate... Absolute accuracy is the hardest merit to attain, and the highest merit.


In: Francis Darwin (ed.), More Letters of Charles Darwin (Volume 2)


Accuracy is the soul of Natural History. It is hard to become accurate; he who modifies a hair's breadth will never be accurate... Absolute accuracy...

Accuracy is the soul of Natural History. It is hard to become accurate; he who modifies a hair's breadth will never be accurate... Absolute accuracy...

Accuracy is the soul of Natural History. It is hard to become accurate; he who modifies a hair's breadth will never be accurate... Absolute accuracy...

Accuracy is the soul of Natural History. It is hard to become accurate; he who modifies a hair's breadth will never be accurate... Absolute accuracy...