Sins of the mind can be so much more subtly dangerous than sins of the body. The latter, such as lust or intemperance, usually leave their open marks and thereby are likely to induce a sense of shame and a spirit of repentance. But mental sins, such as prejudice or pride, beget no bodily
brakes which serve to check their progress.

Ralph W. Sockman (1889-1970) American Methodist clergyman

Preface to Peace, Part I, “Barriers to be Removed,” Rockwell Lecture on Religious Subjects, Rice Institute (25 Apr 1944)

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