Edward Jenner

The practice of vaccination is now so generally adopted, that it is scarcely necessary to say anything in its favour.

The Cow Pox is a disease which, though mild in its nature, is capable of producing the most important effects.

The human mind is so constituted, that it is always unwilling to admit of any innovation.

I have been accused of being an enthusiast, but I trust that my enthusiasm is founded on reason.

The progress of truth is slow, but it is sure.

The greatest discovery that has ever been made in medicine is that of vaccination.

The Cow Pox is a gift from heaven, and ought to be received with gratitude.

The Small Pox is a scourge which has desolated the earth for ages, and it is now in our power to put an end to its ravages.

The Cow Pox is a disease which has been known to the common people for ages, but it has never been properly investigated by the faculty.

The prejudice against the Cow Pox is so strong, that it will require much time and perseverance to overcome it.

The Cow Pox is a disease which is peculiar to the cow, and is not to be found in any other animal.

The Cow Pox is a disease which, when communicated to the human species, is productive of no ill consequences.

The Cow Pox is a disease which is capable of being propagated by inoculation from one human being to another, without any diminution of its efficacy.

The Cow Pox is a disease which is so mild in its nature, that it may be communicated to infants of the tenderest age without any apprehension of danger.

The Cow Pox is a disease which is so simple in its nature, that it may be communicated by any person of common understanding.

The Cow Pox is a disease which is so easily communicated, that it may be spread throughout the whole world in a very short space of time.

The Cow Pox is a disease which is so certain in its effects, that it may be relied upon with the utmost confidence.

The Cow Pox is a disease which is so permanent in its effects, that it will afford security against the Small Pox for the whole life of the individual.

The Cow Pox is a disease which is so universally applicable, that it may be employed in all climates and among all descriptions of people.

I shall endeavor still further to prosecute this inquiry, an inquiry I trust not merely speculative, but of sufficient moment to inspire the pleasing hope of its becoming essentially beneficial to mankind.