Humanity's exile from the Garden of Eden marks a profound physical and spiritual rupture between mankind and the sacred space that was lost. The departure was not a willing journey but a forceful and absolute eviction. Because man refused to leave the Garden and face the harsh reality of working the earth, God had to actively drive him out with force and commotion [העמק דבר, הכתב והקבלה, אדרת אליהו, קאסוטו, שטיינזלץ]. This eviction represents a deep spiritual distancing from God [רש ר הירש]. Following the expulsion, guards were stationed just outside the eastern edge of the Garden, which served as its entrance [רש״י, רא״ם, רד״ק, קאסוטו]. Stationing these guards exactly where man had previously dwelled was intentionally designed to evoke deep remorse, forcing him to watch others occupy the honorable place he had forfeited through sin [רס״ג].
The identity of these guards, known as Cherubim, is understood in various ways. The primary approach among commentators is that they were destructive angels or terrifying celestial beings deployed to frighten man and prevent his return [רש״י, רבנו בחיי, תולדות יצחק]. Visually, they are sometimes described as angels resembling bulls or complex winged creatures [רא״ש, בכור שור, קאסוטו], while others suggest they appeared as youths [אדרת אליהו, אם למקרא]. However, philosophical and allegorical perspectives view the Cherubim differently. They are seen as symbols of the human intellect and the rational soul [רלב״ג, הכתב והקבלה], or as angels carrying God's glory. In this view, they represent the Divine Presence, prophecy, and the Torah, serving not merely as guards but as guides for humanity [שד״ל, מלבי״ם, רש ר הירש].
Entrusted to these Cherubim was a revolving, flaming sword. Commentators clarify that the flame was not a separate entity but a characteristic of the weapon itself. It was a highly polished, sharp blade that, when spun rapidly, produced terrifying sparks and lightning, creating a frightening optical illusion to deter approach [רד״ק, רא״ם, ביאור יש״ר, קאסוטו]. Beyond its physical description, the sword carries deep symbolic weight. It is seen as representing the power of the Angel of Death and the historical suffering of humanity [מלבי״ם, רש ר הירש], or the fires of Gehenna alternating between hot and cold to punish the wicked [רא״ש, דעת זקנים, רבנו בחיי]. On a psychological level, the spinning sword mirrors the human soul and its inclinations, which constantly fluctuate between good and evil. It reflects the internal struggle of the rational mind, which must use the metaphorical sword of the Torah to conquer physical desires [הכתב והקבלה, קונטרס חיבה יתירה].
The ultimate purpose of the Cherubim and the sword was to guard the path to the Tree of Life. Most commentators understand this as a strict blockade, ensuring that man could not turn back, consume the fruit of eternal life, and thereby cancel the decree of mortality [ספורנו, רבנו בחיי]. Yet, a more profound and optimistic perspective suggests that this guarding was an act of preservation rather than mere restriction. God protected the path to the Tree of Life so that it would not be lost forever. Although man was physically exiled into a world of toil and hardship, the spiritual route to eternal life was kept safe for him. Ultimately, humanity can find its way back to this preserved path through the observance of the Torah, proper conduct, repentance, or in the World to Come [מלבי״ם, רש ר הירש, קונטרס חיבה יתירה]. While human suffering is the direct result of choosing and knowing good and evil, it is through these very struggles and Divine guidance that the hope of returning to humanity's original destiny remains alive [שד״ל].