Behold a universe so immense that I am lost in it. I no longer know where I am. I am just nothing at all. Our world is terrifying in its insignifican… - Bernard Le Bovier de Fontenelle

The calculus is to mathematics no more than what experiment is to physics, and all the truths produced solely by the calculus can be treated as truths of experiment. The sciences must proceed to first causes, above all mathematics where one cannot assume, as in physics, principles that are unknown to us. For there is in mathematics, so to speak, only what we have placed there... If, however, mathematics always has some essential obscurity that one cannot dissipate, it will lie, uniquely, I think, in the direction of the infinite; it is in that direction that mathematics touches on physics, on the innermost nature of bodies about which we know little.

But why then did the Ancient Priestesses always answer in Verse? ...To this Plutarch replies... That even the Ancient Priestesses did now and then speak in Prose. And besides this, in Old times all People were born Poets. ...[T]hey had no sooner drank a little freely, but they made Verses; they had no sooner cast their eyes on a Handsom Woman, but they were all Poesy, and their very common discourse fell naturally into Feet and Rhime: So that their Feasts and their Courtships were the most delectable things in the World. But now this Poetick Genius has deserted Mankind: and tho' our passions be as ardent... yet Love at present creeps in humble prose. ...Plutarch gives us another reason ...that the Ancients wrote always in Verse, whether they treated of Religion, Morality, Natural Philosophy or Astrology. Orpheus and Hesiod, whom every body acknowledges for Poets, were Philosophers also: and Parmenides, Xenophanes, Empedocles, Eudoxus, and Thales... [the] Philosophers, were Poets too. It is very strange indeed that Poetry should be elder Brother to Prose... but it is very probable... precepts... were shap'd into measured lines, that they might be the more easily remembred: and therefore all their Laws and their rules of Morality were in Verse. By this we may see that Poetry had a much more serious beginning than is usually imagin'd, and that the Muses have of late days mightily deviated from their original Gravity.

At the time the book of Marquis de l'Hôpital had appeared, and almost all mathematicians began to turn to the new geometry of the infinite [that is, the new infinitesimal calculus], until then little known. The surprising universality of the methods, the elegant brevity of the proofs, the neatness and speed of the most difficult solutions, a singular and unexpected novelty, all attracted the mind and there was in the mathematical world a well marked revolution [une révolution bien marquée.