Superstition is an enemy to civil liberty.

The whole [of religion] is a riddle, an ænigma, an inexplicable mystery. Doubt, uncertainty, suspence of judgment appear the onlyresult of our most accurate scrutiny, concerning this subject.

Tho' there be no such Thing as Chance in the World; our Ignorance of the real Ccause of any Event has the same Influence on the Understanding, and begets a like Species of Belief or Opinion.

All the sciences have a relation, greater or less, to human nature; and...however wide any of them may seem to run from it, they still return back by one passage or another. Even Mathematics, Natural Philosophy, and Natural Religion, are in some measure dependent on the science of MAN; since they lie under the cognizance of men, and are judged of by their powers and faculties.

Interest is the barometer of the state.

To hate, to love, to think, to feel, to see; all this is nothing but to perceive.

The end of all moral speculations is to teach us our duty; and, by proper representations of the deformity of vice and beauty of virtue, beget correspondent habits, and engage us to avoid the one, and embrace the other.