I trembled, and my heart failed within me; when, on looking up, I saw, by the light of the moon, the daemon at the casement.
Mary Wollstonecraft ShelleyIt was the secrets of heaven and earth that I desired to learn; and whether it was the outward substance of things or the inner spirit of nature and the mysterious soul of man that occupied me, still my inquiries were directed to the metaphysical, or in its highest sense, the physical secrets of the world.
Mary Wollstonecraft Shelley