Elisha the prophet dispatches his servant Gehazi on a desperate and urgent mission to save the son of the Shunammite woman. To ensure success, Elisha equips his servant with his own personal staff and issues a set of strict demands requiring maximum speed and absolute focus.
Gehazi is told to prepare his clothing for immediate travel. By tying his garments tightly around his waist, he can run swiftly without any physical interference [רלב״ג], allowing him to leave quickly and with agility [מצודת דוד, רד״ק, ביאור שטיינזלץ]. Elisha hands over his own walking stick, the very staff he leans on, to be used for the boy [מצודת ציון, ביאור שטיינזלץ]. A crucial part of the instructions is the command to avoid speaking to anyone on the road, neither offering greetings nor returning them [מצודת ציון, רש״י].
The primary approach among commentators is that this silence is meant to prevent any delay. Beyond just saving time, it guarantees that Gehazi remains entirely focused on his task, preventing his mind from wandering to other matters through action or speech [רד״ק]. Additionally, this unbroken concentration is necessary to preserve the spiritual power that Elisha transferred to him [מלבי״ם]. Other commentators suggest the silence is meant to prevent boasting. Elisha feared that casual conversation would inevitably lead to questions about the journey. If Gehazi were to proudly announce that he was on his way to bring a child back to life, it would show a lack of respect for the miracle [רש״י].
Elisha hoped that the spiritual energy contained within his personal staff would be enough to heal the child [ביאור שטיינזלץ]. At this point, Elisha was entirely unaware that the boy had actually died, as God had not revealed this fact to him through prophecy. Assuming the child had merely fainted, the prophet believed that simply placing the staff upon him would be enough to awaken his strength [מלבי״ם].
Ultimately, the mission ends in failure because Gehazi ignores his master's strict instructions [רלב״ג]. Rather than maintaining a focused silence, he turns the urgent errand into a joke. He stops to ask people he meets along the way if they truly believe a simple wooden stick can bring the dead back to life [רד״ק, צאינה וראינה]. He also falls into the exact trap Elisha feared, boasting to anyone who asks that he is on his way to perform a resurrection [רש״י]. Finally, due to his own deep character flaws, Gehazi is simply unworthy of being the person through whom God performs such a profound miracle [רלב״ג].