WATCH: Flags lowered to half-mast as Israel remembers October 7 massacre three years on

"We will carry their stories with us and educate generations of commanders and soldiers by their example," he said, referring to all those who have fallen during and since the massacre.

IDF Chief of Staff Lt.-Gen. Eyal Zamir marked the third anniversary of the October 7, 2023, Hamas massacre on Monday by mourning all the Israelis killed since the attack, and promising to implement lessons learned from the tragic event.

"We will carry their stories with us and educate generations of commanders and soldiers by their example," he said in a statement released to mark the event, referring to all those who have fallen during and since the massacre. "It is our duty to investigate and ensure that the lessons are implemented so that we may be more worthy of the trust the people have placed in us."

Among the promises Zamir made in the wake of lessons learned during and after October 7 were that "We will not allow our enemies to build up their strength unhindered," and "We will identify threats as they emerge and strike them with determination and force," vowing both in his message to the IDF.

"We will ensure that this people, which returned to its land, will never again be uprooted from it," he proclaimed. ""This is our duty to the fallen, our responsibility to the citizens of Israel and our oath to future generations."

Zamir praises unity of Israeli society after October 7

Zamir also praised the moments after October 7 when the people of Israel, "in all their diversity," stood in unity to defend their country.

"In the most difficult moments, the solidarity and exemplary character of Israeli society were revealed," he said, "a people rushing to the aid of its sons and daughters, fighting for its renewal and leaving no one behind."