These words were used by Grotius for his motto.
Fabricii Bibliotheca Latina, Lib iii. c. 15. In 1794, John Adam Goez published the "Treatise on the Marriage of Philology and Mercury" separately, in a duodecimo volume: he mentions, in the preface, an edition of it by Walthard. It is on the authority of Goez that we have assigned the age of Capella to the third century: others place him in a much later period.
Montucla. Histoire des Mathematiques, Vol.ii. p.657.