"I always say, 'Let your experiment speak to you.' What I mean by that is I - actually, we, or, at least, I'm not smart enough, actually, to guess how nature is working, but by looking and doing the right experiments and paying close attention to the subtleties of it, you start to catch on."
Roderick MacKinnon is an American physician and biophysicist. He is known for pioneering structural studies of ion channels and received the Nobel Prize in Chemistry in 2003. MacKinnon has held a long research career at Rockefeller University.