We should be unfaithful to ourselves if we should ever lose sight of the danger to our Liberties if anything partial or extraneous should infect the purity of our free, fair, virtuous, and independent elections. If an election is to be determined by a majority of a single vote, and that can be procured by a party through artifice or corruption, the Government may be the choice of a party for its own ends, not of the nation for the national good.

Letters of John Adams: Addressed to His Wife (ed. 1841)