Where there is most feeling, there is the greatest martyrdom.
The length of a man's outspread arms is equal to his height.
The painter has the Universe in his mind and hands.
Nature is full of infinite causes that have never occurred in experience.
Many will think they may reasonably blame me by alleging that my proofs are opposed to the authority of certain men held in the highest reverence by their inexperienced judgments; not considering that my works are the issue of pure and simple experience.
I roamed the countryside searching for answers to things I did not understand. Why shells existed on the tops of mountains. How the various circles of water form around the spot which has been struck by a stone, and why a bird sustains itself in the air.