[A] Cf. the use of the simile of the couvreur. For comparing parallel passages, the edition of the PensÉes by Henri Massis (A la citÉ des livres) is better than the two-volume edition of Jacques Chevalier (Gabalda). It seems just possible that in the latter edition, and also in his biographical study (Pascal; by Jacques Chevalier, English translation, published by Sheed & Ward), M. Chevalier is a little over-zealous to demonstrate the perfect orthodoxy of Pascal.

[B] The great man of Port-Royal was of course Saint-Cyran, but any one who is interested will certainly consult, first of all, the book of Sainte-Beuve mentioned.

[C] For a brilliant criticism of the errors of Descartes from a theological point of view the reader is referred to Three Reformers by Jacques Maritain (translation published by Sheed & Ward).

[D] An important modern theory of discontinuity, suggested partly by Pascal, is sketched in the collected fragments of Speculations by T. E. Hulme (Kegan Paul).