Wer glaubt, ist doof

In dieser Welt gibt es nur zwei Sorten Menschen.
Intelligente Menschen ohne Religion
und religiöse Menschen ohne Intelligenz.

Abu’l-Ala-Al-Ma’arri, arabischer Dichter und Schriftsteller (973-1057)
Quelle: „Freethought Traditions in the Islamic World“
There were currents of Freethought in Islam, represented for instance by the blind poet Abul‘-Ala‘ al-Ma’arri, who wrote before the first Crusade: „The inhabitants of the earth are of two sorts: those with brains, but no religion, and those with religion, but no brains.“