Good applied science in medicine, as in physics, requires a high degree of certainty about the basic facts at hand, and especially about their meaning, and we have not yet reached this point for most of medicine.
Lewis ThomasIf we are to be destroyed we will do it ourselves by warfare with thermonuclear weaponry.
Lewis ThomasAt this early stage in our evolution, now through our infancy and into our childhood and then, with luck, our growing up, what our species needs most of all, right now, is simply a future.
Lewis Thomas