Self-restraint occupies a dense and contested terrain within the depth-psychological corpus, drawing together ascetic theology, classical Greek ethics, somatic psychology, and addiction theory. The Philokalic tradition, represented extensively in the Palmer translations, frames self-restraint as the architectonic virtue of the spiritual life — the ‘most all-embracing’ form of self-control that ‘restrains every thought and every movement of the limbs not in harmony with God’s will.’ Here, restraint is not mere suppression but a disciplined attunement of the whole person to divine order, conjoined with dispassion and love. The I Ching commentary of Wang Bi approaches restraint structurally, as a cosmological principle of proper positioning — knowing where and when to stop — with bodily metaphors (back, torso, jowls) encoding degrees of appropriate limitation. The Greek epic tradition examined by Caswell and Sullivan identifies restraint as felt in the thumos and phren, activated by shame and divine necessity, revealing its pre-philosophical roots. Contemporary somatic and addiction-recovery literature reframes the question entirely: restraint becomes self-regulation, a neuromuscular and motivational capacity implicated in trauma recovery, emotional sobriety, and behavioral change. The tension between restraint as virtue cultivated through ascetic practice and restraint as a clinical skill to be therapeutically developed marks one of the most generative fault-lines in the corpus.