The true saint goes in and out amongst the people and eats and sleeps with them and buys and sells in the market and marries and takes part in social intercourse, and never forgets God for a single moment.

Abu Said ibn Abi 'I-Khayr (AD 967-1049) Persian Sufi mystic and poet [a.k.a., Abusa'id Abolkhayr, Abū-Sa'īd Abul-Khayr, Sheikh Abusaeid or Abu Sa'eed]

(Attributed)

In Reynold A. Nicholson, Studies in Islamic Mysticism (1921).