The more he became truly wise, the more he distrusted everything he knew.

You despise books; you whose lives are absorbed in the vanities of ambition, the pursuit of pleasure or indolence; but remember that all the known world, excepting only savage nations, is governed by books.

Those who are absent, by its means become present; it [mail] is the consolation of life.

The atheists are for the most part imprudent and misguided scholars who reason badly who, not being able to understand the Creation, the origin of evil, and other difficulties, have recourse to the hypothesis the eternity of things and of inevitability.

We are intelligent beings: intelligent beings cannot have been formed by a crude, blind, insensible being: there is certainly some difference between the ideas of Newton and the dung of a mule. Newton's intelligence, therefore, came from another intelligence

The more I read, the more I acquire, the more certain I am that I know nothing.

Truth is a fruit which should not be plucked until it is ripe.