A stammering man is never a worthless one. Physiology can tell you why. It is an excess of sensibility to the presence of his fellow creature, that makes him stammer. – Thomas Carlyle, letter to Ralph Waldo Emerson, 1843 November 17th
The sort of thinking at the time was, Well, were giving you access to medical care which you wouldnt otherwise be able to get, so your payment is that we get to use you in research. – Rebecca Skloot