(pron. He'-se-kasts). The “Quietists” of the East in the fourteenth century. The placed perfection in contemplation. (Greek, hesuchia, quiet.) (See Gibbon, Roman Empire, lxiii.) Milton well expresses their belief in his Comus:
Till oft converse with heavenly habitants Begin to cast a beam on the outward shape, And turns it by degrees to the soul's essence, Till all be made immortal.
Source: Dictionary of Phrase and Fable, E. Cobham Brewer, 1894