"I can think of nothing else than this machine."

"Dr Priestly (sic) was once very ill with gall stones & was cured by abstinence from Butcher meat. ... fish & vegetables & butter or fat did not hurt him when taken in moderation, but his Doctors must …"

"I have spent more time fixing other men's mistakes than making my own."

"The steam engine is my child, and I shall see it grow."

"It is not worth my while to manufacture in three countries only; but I can find it very worthwhile to make it for the whole world."