“ ‘ “It is this:⁠—‘I swear by my honor not to reveal to anyone what I have seen and heard on the 5th of February, 1815, between nine and ten o’clock in the evening; and I plead guilty of death should I ever violate this oath.’ ” The general appeared to be affected by a nervous tremor, which prevented his answering for some moments; then, overcoming his manifest repugnance, he pronounced the required oath, but in so low a tone as to be scarcely audible to the majority of the members, who insisted on his repeating it clearly and distinctly, which he did.