I never know what South Carolina thinks of a measure. I never consult her. I act to the best of my judgment, and according to my conscience. If she approves, well and good. If she does not, or wishes any one to take my place, I am ready to vacate. We are even.

John C. Calhoun (1782-1850) American Vice President, politician, statesman

(Attributed)
    (Source)

In Walter J. Miller, "Calhoun as a Lawyer and Statesman," Part 2, The Green Bag (Jun 1899). Miller cites it as a quote, but it has not been verified in Calhoun’s writings.