People may talk about intellectual teaching, but what we principally want is the moral teaching.

Within the last fifty years, the extraordinary growth of every department of physical science has spread among us mental food of so nutritious and stimulating a character that a new ecdysis seems imminent.

Veracity is the heart of morality.

The method of scientific investigation is nothing but the expression of the necessary mode of working of the human mind.

Extinguished theologians lie about the cradle of every science, as strangled snakes beside that of Hercules

... our "Physick" and "Anatomy" have embraced such infinite varieties of being, have laid open such new worlds in time and space, have grappled, not unsuccessfully, with such complex problems, that the eyes of Vesalius and of Harvey might be dazzled by the sight of the tree that has grown out of their grain of mustard seed.

There is but one right, and the possibilities of wrong are infinite.