Keep on—Liberty is to be subserv’d whatever occurs; That is nothing that is quell’d by one or two failures, or any number of failures, Or by the indifference or ingratitude of the people, or by any unfaithfulness, Or the show of the tushes of power, soldiers, cannon, penal statutes.
There are no more uses of "ingratitude" in the book.
Show samples from other sources
"Boy," Mrs. Amos said, "I am not the least bit surprised at your show of ingratitude.
Christopher Paul Curtis -- Bud, Not Buddy
I remember he used words like ’failure’ and ’ingratitude,’ and once he said very clearly, ’I know how well I have performed my duty.’