I love opposition that has convictions.

I have no fault to find with those who teach geometry. That science is the only one which has not produced sects; it is founded on analysis and on synthesis and on the calculus; it does not occupy itself with the probable truth; moreover it has the same method in every country.

It is impossible to imitate Voltaire without being Voltaire.

Be more than you seem to be.

It has been said by a certain general, that the first object in the establishment of an army ought to be making provision for the belly, that being the basis and foundation of all operations.

Christianity - An old metaphysical romance, filled with marvels, contradictions, and absurdity, born in the ardent imagination of Orientals, has spread into our Europe. Enthusiasts have purveyed it, careerists have pretended to accept it, imbeciles have believed it.

A German singer! I should as soon expect to get pleasure from the neighing of my horse.