858.

The Da Vinci Notebooks at sacred-texts.com

858.

The earth is not in the centre of the Sun's orbit nor at the centre of the universe, but in the centre of its companion elements, and united with them. And any one standing on the moon, when it and the sun are both beneath us, would see this our earth and the element of water

p. 138

upon it just as we see the moon, and the earth would light it as it lights us.