All of today's DNA, strung through all the cells of the earth, is simply an extension and elaboration of [the] first molecule.
Lewis ThomasWe need science, more and better science, not for its technology, not for leisure, not even for health or longevity, but for the hope of wisdom which our kind of culture must acquire for its survival.
Lewis ThomasIt is from the progeny of this parent cell that we all take our looks; we still share genes around, and the resemblance of the enzymes of grasses to those of whales is in fact a family resemblance.
Lewis Thomas