able to measure the distance of the stars, and to recognise the course and the laws which keep them in their orbits. I say to myself: Perhaps, if I use my reason in good faith, I may suceed in discovering some ray of probability to lighten me in the dark night of nature. And if this faint dawn which I seek does not come to me, I shall be consoled to think that my ignorance is invincible; that knowledge which is forbidden me is assuredly useless to me; and that the great Being will not punish me for having sought a knowledge of him and failed to obtain it.
IV
WHERE IS THE FIRST PRINCIPLE? IS IT INFINITE?
I do not see the first motive and intelligent principle of the animal called man, when he demonstrates a geometrical proposition or lifts a burden. Yet I feel irresistibly that there is one in him, however subordinate. I cannot discover whether this first principle is in his heart, or in his head, or in his blood, or in his whole body. In the same way I have detected a first principle in nature, and have seen that it must necessarily be eternal. But where is it?
If it animates all existence, it is in all existence: that seems to be beyond doubt. It is in all that exists, just as movement is in the whole body of an animal, if one may use so poor a comparison.
But while it is in what exists, can it be in what does not exist? Is the universe infinite? I am
