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
Joseph PriestleyWill is nothing more than a particular case of the general doctrine of association of ideas, and therefore a perfectly mechanical thing.
Joseph PriestleyThe more elaborate our means of our common sense is, the less the common sense it becomes.
Joseph PriestleyThe 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.
Joseph Priestley