Letter to Sura

⁠​​​‌​​​​‌​‌​‌‌​‌‌​​​‌​​‌​​‌‌​‌​​​​​​‌‌‌​​​‌‌‌‌​​‌‌​​​‌‌‌‌​‌​‌​​‌⁠Our leisure furnishes me with the opportunity of learning from you, and you with that of instructing me. Accordingly, I particularly wish to know whether you think there exist such things as phantoms, possessing an appearance peculiar to themselves, and a certain supernatural power, or that mere empty delusions receive a shape from our fears. For my part, I am led to believe in their existence, es