made in their several conditions, has been evidently from the force of natural and scientific knowledge, and in an exact ratio with the diminution of kingly and priestly influence. This assertion is evident if we examine the decay of their influence for the last three centuries, in this or any other country. The printing press has come like a true Messiah to emancipate the great family of mankind from this double yoke. This Messiah is immortal, and its saving powers must be universal and perpetual. By this, and by no other Messiah, can man be saved from ignorance and misery; the only hell that he has to fear. It will prove the true Messiah of the Jew, of the Christian, of the Mahometan, and of the Pagan. It is a Messiah for all, and it will go on to unite under the name and title of Man and Citizen the whole human race, or all those animals who have the gift of speech, and its consequent, reason. I hope to see the day, or I fear not but it will arrive, when every man of property shall consider a printing-press, a necessary piece of furniture in his house; and prize it more than our present aristocrats prize their hounds and horses.

In support of my assertion, that Men of Science have hitherto crouched too much to the established impostures of the day, I have merely to remark, that I am not aware of any one instance in which any Chemist of this country has made a public attack upon them, or called them in question in any public manner. Another proof of my assertion might be found in the Medical and Surgical professions. From the best information, I have learnt, that, with a very few exceptions, the whole body of those gentlemen in the Metropolis, have discarded from their minds all the superstitious dogmas which Priestcraft hath invented, and that they have adopted those principles which have a visible foundation in Nature, and beyond what is visible and comprehensible, their credence does not extend. Yet, when that spirited young man, Mr. Lawrence, having obtained a professor's gown in the College of Surgeons, shew a disposition in his public lectures to discountenance and attack those established impostures and superstitions of Priestcraft, the whole profession displayed that same cowardly and dastardly conduct, which hath stamped with infamy the present generation of Neapolitans, and suffered the professor's gown to be stripped from this ornament of his profession and his country, and every employment to be taken from him, without even a public remonstrance, or scarcely an audible murmur!

It is conduct such as this which gives courage and permanence to the despots who strive to enslave both our bodies and our minds. It is this base disposition of making truth crouch before established and antique error, which has hitherto characterized the searchers after and lovers of the former, that has given force and longevity to the latter. It is the bounden duty of every man openly to avow whatever his mind conceives to be the truth. If he shrinks from this he is a coward—a slave to the opinions, of other men. Shall the enemies of mankind boldly tell us that they perceive truth in their mysterious and incomprehensible dogmas, and shall we shrink from the publication and support of those truths which we perceive to have an evident foundation in Nature! Shall we shrink from the avowal of truths because despotism and ignorance have granted stipends to the propagators of falsehood, and because those stipends might be endangered? Forbid it, Nature! Let every lover of truth and the peace and happiness of the human race forbid it.

I may be told that the Man of Science had much better pursue his studies and experiments in silence and private, and not expose himself to the persecution of bigots. The idea is slavish—disgraceful. Science has made sufficient progress in this country, and has a sufficient number of followers and admirers, to enable them by a single breath to dissipate all the bigotry in the country, or, at least, to silence all the idle clamour of the bigoted and interested about blasphemy and atheism, or any of their nonsense. Is the progress of Science to be submitted to an Excise, and are all discoveries to be treated like contraband goods, lest the trade and the tithes of the priest be injured? Shame on that man who can tacitly submit to such a system. And yet this is just what we are called upon to submit to, and threatened with punishment, and even banishment, if we murmur. I, as an humble individual, have resolved to break through those trammels, to violate all those degrading and disgraceful laws, and shall the Man of Science be silent, and see all that he values most dear, persecuted in my person, just because he will not proclaim that I am right, and that my enemies, and his enemies, are wrong? Now is the time for him to speak out—now is the time when he can do it effectually. My humble efforts have alarmed the whole of Corruption and Falsehood's hosts, and half frightened them to death, let but a few eminent and distinguished Men of Science stand forward and support me, and I have no fear of finishing well, what I have endeavoured well to begin. I aspire to nothing more than to become the humble instrument of sounding and resounding their sentiments. I am anxious to sound a loud blast in the cause of Truth, of Reason, of Nature and her laws. I will give every Man of Science an opportunity of publishing his sentiments without any direct danger to himself: I will fill the gap of persecution for him, if a victim be still necessary to satisfy the revenge of dying Priestcraft.

This is an age of revolutions, and where those revolutions have not yet displayed themselves, it is not for want of the mind having been sufficiently revolutionized, but because it is kept down by a superior acting force in the shape of fixed bayonets and despotic laws. Throughout Europe the mind of the people has been long revolutionized from its wonted ignorance, and wherever it finds an opportunity, it displays itself. This march of the mind will be progressive, and it is evident that it has already begun to spread itself among the very instruments of those despots called Kings, by which they vainly hoped to have checked its course. Every march of the Russian troops into the south of Europe will but tend to enlighten them, and by and bye they will become wise enough to return and revolutionize their own country; by adopting the Representative System of Government, and by making their present Emperor what he is so well adapted for—a regimental tailor.

The horror which was so lately expressed by the Emperor of Austria at the progress of Science, and at the revolution which Sir Humphry Davy had made in the science of Chemistry, is a specimen of that feeling which pervades all such men. This imbecile idiot quivered at an observation of his own physician about the state of his own constitution, and forbade him ever to use the word in his presence again! Yet it is by such men as this, that the inhabitants of Europe are held in a state of bondage and degradation!

Will ye, Men of Science, continue to truckle before such animals? Will ye any longer bend the knee to such Baals—to such Golden Calves as these? Will ye bend your aspiring minds to prop the thrones of such contemptible, such ignorant, such brutish despots? Shame on you, if you can so far debase yourselves! Up, and play the man, boldly avow what your minds comprehend as natural truths; and all the venom of all the Despots and Priests on the face of the earth, shall fly before you as chaff before the wind.

The science of Chemistry has so far explored the properties of matter in all its variety, and has so far ascertained all its powers, purposes, and combinations, as to banish the idea of its having been formed from any chaotic state into its present form and fashion. The Chemist would smile at such a notion in the present day, even if he feared to encounter the Priest and his dogmas about the world having been created out of nothing. Creation is an improper word when applied to matter. Matter never was created—matter never can be destroyed. It is