'Essais' (1580) bk. 1, ch. 14 [References are to M. Rat's edition of the 'Essais' (1958) which, in accordance with the Strowski and Gebelin text (1906-33), conflates the 1580 edition of books 1 and 2, the revised and enlarged 1588 edition of all three books, and later manuscript additions published posthumously]