It 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 ShelleyIn other studies you go as far as other have gone before you, and there is nothing more to know; but in a scientific pursuit there is continual food for discovery and wonder.
Mary Wollstonecraft ShelleyWhen falsehood can look so like the truth, who can assure themselves of certain happiness?
Mary Wollstonecraft Shelley