As Cuvier could correctly describe a whole animal by the contemplation of a single bone, so the observer who… — Arthur Conan Doyle

As Cuvier could correctly describe a whole animal by the contemplation of a single bone, so the observer who has thoroughly understood one link in a series of incidents should be able to accurately state all the other ones, both before and after.

p. 225Source: Wikiquote · CC BY-SA 4.0