“I could not help but wonder, then as now, When we look at a man or a woman, what is it that we see? We make too much of the difference: having been both, I can say the distinctions are both greater and less than they appear. As a surgeon, I can attest that once the skin is peeled back, the distinctions are few; save for the reproductive organs, one cannot tell man from woman—one cannot say, This is a woman’s brain or lungs, a man’s heart. They think and beat just the same.”