To someone who could grasp the Universe from a unified standpoint the entire creation would appear as a unique truth and necessity.

Music that paints nothing is only noise.

Just go on . . . and faith will soon return. To a friend hesitant with respect to infinitesimals.

High office, is like a pyramid; only two kinds of animals reach the summit — reptiles and eagles.

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

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.

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