I cannot think of a single field in biology or medicine in which we can claim genuine understanding, and it seems to me the more we learn about living creatures, especially ourselves, the stranger life becomes.
Lewis ThomasIn the fields I know best, among the life sciences, it is required that the most expert and sophisticated minds be capable of changing course - often with a great lurch - every few years.
Lewis ThomasThe most solid piece of scientific truth I know of is that we are profoundly ignorant about nature.
Lewis ThomasThe great thing about human language is that it prevents us from sticking to the matter at hand.
Lewis Thomas