The multiplicity of facts and writings is become so great that every thing must soon be reduced to extracts and dictionaries.

I should like to know which is worse: to be ravished a hundred times by pirates, and have a buttock cut off, and run the gauntlet of the Bulgarians, and be flogged and hanged in an auto-da-fe, and be dissected, and have to row in a galley -- in short, to undergo all the miseries we have each of us suffered -- or simply to sit here and do nothing?' That is a hard question,' said Candide.

If you wish to obtain a great name or to found an establishment, be completely mad; but be sure that your madness corresponds with the turn and temper of your age.

To announce truths is an infallible receipt for being persecuted.

If God did not exist, it would be necessary to invent him; let us worship God through Jesus if we must - if ignorance has so far prevailed that this name can still be spoken in all seriousness without being taken as a synonym for rapine and carnage. Every sensible man, every honourable man, must hold the Christian sect in horror.

Let us confess it: evil strides the world.

The system of Descartes... seemed to give a plausible reason for all those phenomena; and this reason seemed more just, as it is simple and intelligible to all capacities. But in philosophy, a student ought to doubt of the things he fancies he understands too easily, as much as of those he does not understand.