They will perish, but You remain [forever and ever];
And they will all wear out like a garment,

And like a robe You will roll them up;
Like a garment they will be changed.
But You are the same [forever],
And Your years will never end.”

Therefore, it was essential that He had to be made like His brothers (mankind) in every respect, so that He might [by experience] become a merciful and faithful High Priest in things related to God, to make atonement (propitiation) for the people’s sins [thereby wiping away the sin, satisfying divine justice, and providing a way of reconciliation between God and mankind].

Not like the covenant that I made with their fathers
On the day when I took them by the hand
To lead them out of the land of Egypt;
For they did not abide in My covenant,
And so I withdrew My favor and disregarded them, says the Lord.

By faith he lived as a foreigner in the promised land, as in a strange land, living in tents [as nomads] with Isaac and Jacob, who were fellow heirs of the same promise.