The desire for riches is more sharpened by their use than by their need. Pleasing all: a mark that can never be aimed at or hit.

Hath God obliged himself not to exceed the bounds of our knowledge?

There is, nevertheless, a certain respect and a general duty of humanity that ties us, not only to beasts that have life and sense, but even to trees and plants.

I am disgusted with innovation, in whatever guise, and with reason, for I have seen very harmful effects of it.

I know that the arms of friendship are long enough to reach from the one end of the world to the other

Men ... are not agreed about any one thing, not even that heaven is over our heads.

The laws of conscience, which we pretend to be derived from nature, proceed from Custom.