In completing one discovery we never fail to get an imperfect knowledge of others of which we could have no idea before, so that we cannot solve one doubt without creating several new ones.

How glorious, then, is the prospect, the reverse of all the past, which is now opening upon us, and upon the world. Government, we may now expect to see, not only in theory and in books but in actual practice, calculated for the general good, and taking no more upon it than the general good requires, leaving all men the enjoyment of as many of their natural rights as possible, and no more interfering with matters of religion, with men's notions concerning God, and a future state, than with philosophy, or medicine.

The feeling of it to my lungs was not sensibly different from that of common air; but I fancied that my breast felt peculiarly light and easy for some time afterwards. Who can tell but that, in time, this pure air may become a fashionable article in luxury. Hitherto only two mice and myself have had the privilege of breathing it.

As I conceive this doctrine to be a gross misrepresentation of the character and moral government of God, and to affect many other articles in the scheme of Christianity, greatly disfiguring and depraving it; I shall show, ... that it has no countenance whatever in reason, or the Scriptures; and, therefore, that the whole doctrine of atonement, with every modification of it, has been a departure from the primitive and genuine doctrine of Christianity.

I have procured air [oxygen] ... between five and six times as good as the best common air that I have ever met with.

Every man, when he comes to be sensible of his natural rights, and to feel his own importance, will consider himself as fully equal to any other person whatever

Will is nothing more than a particular case of the general doctrine of association of ideas, and therefore a perfectly mechanical thing.