Christians underestimated Islam’s durability just as some now underestimate Communism’s

Evidence

St John probably never imagined that Islam would last for long; just as there are elderly men of religion alive to-day who do not believe that in Communism they observe any but a temporary phenomenon. They may be right or wrong; we now know that the Greeks were wrong about Islam. — Norman Daniel, Islam and the West, 51

Categorization

• XREF: connects to: The US religion-versus-communism strategy failed because Islam did not compete with communism for elites