The most merciful thing in the world is the inability of the mind to correlate all its contents. We live on a placid island of eyebrows in the midst of black seas of infinity, and we weren't supposed to travel very far. The sciences, each striving in its own direction, have now little harmed us; but someday the thrill of dissociated knowledge will open such terrifying views of reality, and of our frightening position, that we will either go mad at the revelation or flee the mortal light into the peace and security of a new age of darkness.