More from Oliver Wendell Holmes Jr.
More about morality
All that is required for evil to prevail is for good men to do nothing.
Albert Einstein1879–1955Religion and Science (1930)

The character of every act depends upon the circumstances in which it is done.
Schenck v. United States, 249 U.S. 47, 52 (3 March 1919).
Quote and source from Wikiquote, CC BY-SA 4.0
All that is required for evil to prevail is for good men to do nothing.
Albert Einstein1879–1955Religion and Science (1930)