The fact that this does not happen must be attributed to two causes. The first may almost be described as tragic. The second is a matter for pity, because it has its foundation in the weaknesses of human nature. But, on going to the bottom of things, I see in both causes only facts which give still another ground for strengthening our will, our energy and intensity of purpose; so that finally, through the higher development of the human faculties, the solution of the problem in question may be rendered possible.

1867