“I am, somehow, less interested in the weight and convolutions of Einstein’s brain than in the near certainty that people of equal talent have lived and died in cotton fields and sweatshops”
Nietzsche argued that genius is more frequent than we think, but that something else is missing for its realization ("the five hundred hands"):
> In the realm of genius, might the “Raphael without hands” — the term understood in its broadest sense — be not the exception, but the rule? — Genius is perhaps not so rare after all: but the five hundred hands it needs to tyrannize the καιρὁς, “the right time” — to seize chance by the scruff of the neck! [0]
-Stephen Jay Gould