"I have often been accused of being too sanguine in my expectations; but time will show whether I am right or wrong."

"It is not, that I am an enemy to the practice of inoculation; on the contrary, I am a warm friend to it, and have been so for many years. But I am convinced, that the present mode of conducting it is …"

"The opposition I have met with has only served to confirm me in my opinion."

"The most beautiful part of the human frame is the eye; and yet it is the most liable to disease."

"I have often been struck with the wonderful harmony that prevails throughout the works of nature."