"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 man…"

"The joy I felt at the prospect before me of being the instrument destined to take away from the world one of its greatest calamities was so excessive that I sometimes found myself in a kind of reverie…"

"It is the lot of man to suffer; but it is also his lot to alleviate the sufferings of others."

"The most difficult task is often the most rewarding."

"The deviation of the Cow Pox from its true character appears to be very frequent; and when it does appear, it is, as far as I have seen, uniformly in the following manner: The vesicle, instead of bein…"