"This Inquiry will lay all those troublesome ghosts which have so long haunted the Metropolis with their ox-faces, & dismal hootings against Vaccination. However, tis all for the best – you may depend …"

"I shall not, I presume, be thought presumptuous in declaring, that the Cow Pox is the most efficacious, and the most safe, of all the methods that have been yet discovered, for eradicating the Small P…"

"My mind is so completely absorbed in this subject, that I can think of nothing else."

"I've dispatc'd, my dear madam, this scrap of a letter, To say that Miss — — is very much better. A Regular Doctor no longer she lacks, And therefore I've sent her a couple of Quacks."

"The greatest happiness consists in doing good to others."