{"collection":"aor","html_url":"https://unchartedknowledge.5gfusion.net/browse/aor/dv/1211.htm","path":"aor/dv/1211.htm","source_url":"https://sacred-texts.com/aor/dv/1211.htm","text":"The Da Vinci Notebooks\nOn spirits (1211--1213).O mathematicians shed light on this error.\nThe spirit has no voice, because where there is a voice there is a body, and where there is a body space is occupied, and this prevents the eye from seeing what is placed behind that space; hence the surrounding air is filled by the body, that is by its image.","title":"Vol. II: XIX. Philosophical Maxims. Morals. Polemics and Speculations: 1211.","type":"page"}