Retrace Quotes (3 quotes)
As the human fetus develops, its changing form seems to retrace the whole of human evolution from the time we were cosmic dust to the time we were single-celled organisms in the primordial sea to the time we were four-legged, land-dwelling reptiles and beyond, to our current status as largebrained, bipedal mammals. Thus, humans seem to be the sum total of experience since the beginning of the cosmos.
History is not a toboggan slide, but a road to be reconsidered and even retraced
When asked what it was like to set about proving something, the mathematician likened proving a theorem to seeing the peak of a mountain and trying to climb to the top. One establishes a base camp and begins scaling the mountains sheer face, encountering obstacles at every turn, often retracing ones steps and struggling every foot of the journey. Finally when the top is reached, one stands examining the peak, taking in the view of the surrounding countryside and then noting the automobile road up the other side!