Others, as most legislators, politicians, lawyers, ministers, and office-holders, serve the state chiefly with their heads; and, as they rarely make any moral distinctions, they are as likely to serve the devil, without intending it, as God.
Henry David Thoreau (1817-1862) American philosopher and writer
Essay (1849-05), “Resistance to Civil Government [On the Duty of Civil Disobedience],” Æsthetic Papers, No. 1, Article 10
(Source)
Based on an 1848 lecture at the Concord Lyceum.