This is unfortunately a world in which things find it difficult, frequently impossible, to live up to their names.
Joseph PriestleyIn 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.
Joseph PriestleyWhat I have known with respect to myself, has tended much to lessen both my admiration, and my contempt, of others.
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