The real or supposed rights of man are of two kinds, active and passive; the right in certain cases to do as we list; and the right we possess to the forbearance or assistance of other men. The first of these a just philosophy will probably induce us universally to explode.

Man is the only creature we know, that, when the term of his natural life is ended, leaves the memory of himself behind him.

If there be such a thing as truth, it must infallibly be struck out by the collision of mind with mind.

The subtleties of mathematics defecate the grossness of our apprehension, and supply the elements of a sounder and severer logic.

In cases where every thing is understood, and measured, and reduced to rule, love is out of the question.

There can be no passion, and by consequence no love, where there is not imagination.

The proper method for hastening the decay of error, is not, by brute force, or by regulation which is one of the classes of force, to endeavour to reduce men to intellectual uniformity; but on the contrary by teaching every man to think for himself.