Human Embryo

Famous quotes containing the words human and/or embryo:

    He had discovered a great law of human action, without knowing it—namely, that in order to make a man or a boy covet a thing, it is only necessary to make the thing difficult to attain. If he had been a great and wise philosopher, like the writer of this book, he would now have comprehended that Work consists of whatever a body is obliged to do and that Play consists of whatever a body is not obliged to do.
    Mark Twain [Samuel Langhorne Clemens] (1835–1910)

    Even in civilized communities, the embryo man passes through the hunter stage of development.
    Henry David Thoreau (1817–1862)