Cf. Latin qualis (or quanta) = M.F. quelle preuve c'est

32. Escobar was a Spanish Jesuit (1589- 1669). This référence to his work secured him immédiate notoriety. Pascal refers to the fact in the sixth letter, in which he makes his Jesuit friend say: ' Vous ne lisez donc guère Escobar?' He replies: 'Je ne l'ai que d'hier, mon père; et même j'eus de la peine à le trouver. Je ne sais ce qui est arrivé depuis peu, qui fait que tout le monde le cherche.' In Escobar's book (édition 1644, Lyon) there is a frontispiece representing the Lamb holding a book with seven seals. This allegorical figure is based upon the description in Révélation, chap. v. (Apocalypse, from Greek àwà, from, AcaXi77rrw, I cover), which see. In his préface Escobar draws his analogy between his book and the Apocalyptic book. Translate animaux by 1 beasts.'