Eighty years was the length of time the Almighty took to prepare His servant. Moses was taught tot be a prince and a shepherd so that later on he could shepherd God’s sheep. He spent forty years of his life in the palace, enjoying the best education and privileges, and another forty years in the desert.

In the latter, he went through the most valuable and intense spiritual experiences, where no beauty, pride, ego or anything else could distract his spirit.

And so, he came to know God.

This reveals that a person can only become truly free through a personal encounter with the Almighty, and after he has been set free, he has the ability to set other people free from evil.