Full Idea
A part of a part is a part of a whole.
Gist of Idea
A part of a part is a part of a whole
Source
Thomas Hobbes (De Corpore (Elements, First Section) [1655], 2.07.09)
Book Reference
Hobbes,Thomas: 'Metaphysical Writings', ed/tr. Calkins,Mary Whiton [Open Court 1905], p.49