If, then, there must be something eternal, let us see what sort of Being it must be. And to that it is very obvious to Reason, that it must necessarily be a cogitative Being. For it is as impossible to conceive that ever bare incogitative Matter should produce a thinking intelligent Being, as that nothing should of itself produce Matter.

Parents wonder why the streams are bitter, when they themselves have poisoned the fountain.

Logic is the anatomy of thought.

[H]e that thinks absolute power purifies men's blood, and corrects the baseness of human nature, need read the history of this, or any other age, to be convinced to the contrary.

There is not so contemptible a plant or animal that does not confound the most enlarged understanding.

Certain subjects yield a general power that may be applied in any direction and should be studied by all.

I have always thought the actions of men the best interpreters of their thoughts.