Just go on..and faith will soon return.

The true system of the World has been recognized, developed and perfected...Everything has been discussed and analysed, or at least mentioned.

In England it was enough that Newton was the greatest mathematican of his century; in France he would have been expected to be agreeable too.

Thus metaphysics and mathematics are, among all the sciences that belong to reason, those in which imagination has the greatest role. I beg pardon of those delicate spirits who are detractors of mathematics for saying this . . . . The imagination in a mathematician who creates makes no less difference than in a poet who invents. . . . Of all the great men of antiquity, Archimedes may be the one who most deserves to be placed beside Homer.

Music that paints nothing is only noise.

Algebra is generous; she often gives more than is asked of her.

The more wit we have, the less satisfied we are with it.