Two days later Napoleon, by means of unworthy artifices, hurried the Austrian plenipotentiaries into signing the treaty of peace at Schonbrunn.
Various artifices are employed to denote the end of the reaction.
This notion is fundamental in the present theory because we will find that one of the most valuable artifices for finding invariants of a single quantic is first to find simultaneous invariants of several different quantics, and subsequently to make all the quantics identical.
Cardinal Siffrein, who is known as the Abbe Maury (1746-1817), resumed all the known artifices of sermon-style in a volume which has a permanent historical value, the well-known Essai sur l'eloquence de la chaire (1810); he was himself rather a fiery politician than a persuasive divine.
His personal devotion to the emperor was of that absolute unwavering kind which Napoleon highly valued; it is seen in the attempt to defend the unworthy artifices adopted by the great man in April-May 1808 in order to make himself master of the destinies of Spain.