Let us meet four times a year in a grand temple with music, and thank God for all his gifts. There is one sun. There is one God. Let us have one religion. Then all mankind will be brethren.

The superfluous is the most necessary.

Whatever you do, trample down abuses, and love those who love you. Different translation: Whatever you do, crush the infamous thing superstition, and love those who love you.

The ancients recommended us to sacrifice to the Graces, but Milton sacrificed to the Devil.

It is forbidden to kill; therefore all murderers are punished unless they kill in large numbers and to the sound of trumpets.

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

I am the best-natured creature in the world, and yet I have already killed three, and of these three two were priests.