#Brainwashing (also known as mind control, menticide, coercive persuasion, thought control, thought reform, and re-education) is the concept that the human mind can be altered or controlled by certain psychological techniques.

#Hassan-i Sabbāh or Hassan as-Sabbāh was the founder of the Nizari Ismaili state and its fedayeen military group known as Order of Assassins. Hassan-i Sabbāh was a missionary who converted the people of the Alborz Mountains of northern Iran to Nizari Isma'ilism in the late 11th century. Wikipedia