of all these sorts of movements he generally finds an expression in the letter R, because, as I imagine, he had observed that the tongue was most agitated and least at rest in the pronunciation of this letter, which he therefore used in order to express motion, just as by the letter iota he expresses the subtle elements which pass through all things.
Nire ustez, ikusten zuelako soinu horretan gelditzen dela gutxien mingaina, eta astindu, berriz, gehien; horregatik iruditzen zait horretarako erabili zuela soinu hori.