“A clear conscience is usually the sign of a bad memory.” — Steven Wright, 20th-century comedian

“Conscience is God’s presence in man.” — Emmanuel Swedenborg, 19th-century Swedish- American spiritualist

“Prudence reproaches; conscience accuses.” — Immanuel Kant, 18th-century Prussian geographer and philosopher

“Trust that man in nothing who has not a conscience in everything.” — Laurence Sterne, 18th-century English novelist

“Conscience is, in most, an anticipation of the opinion of others.” — Sir Henry Taylor “Most men sell their souls and live with a good conscience on the proceeds.” — Logan Pearsall Smith

“A good conscience is a continual Christmas.” — Benjamin Franklin, 18th-century American Founding Father, inventor and statesman

“Reason often makes mistakes but conscience never does.” — Josh Billings (Henry Wheeler Shaw), 19th-century American humorist

“Conscience is thoroughly well-bred and soon leaves off talking to those who do not wish to hear it.” — Samuel Butler, 17th-century English poet

“The difficulty is to know conscience from self-interest.” — William Dean Howells, 19th-century American journalist and novelist

“When your intelligence don’t tell you something ain’t right, your conscience gives you a tap you on the shoulder and says ‘Hold on.’ If it don’t, you’re a snake.” — Elvis Presley, 20th-century American celebrity singer

“There is no witness so terrible, no accuser so powerful as conscience which dwells within us.” — Sophocles, ancient Greek dramatist