Spiritual rebellion will take place in the land of Israel
This is an internal tradition, which has been passed on to us from the sages of previous generations.
The "spiritual rebellion" will be a rebellion against classical spirituality - but its purpose will be to change the paradigm of spirituality and to raise it to a new level.
That is, the beginning of the era of the Messiah
That is, the material success of religious Zionism
See Sotah 49b.
That is, most people are fully consumed by immediate material desires.
The secular pioneers' initial enthusiasm will dissipate.
That is, a crisis of national scale, a catastrophe
It will be apparent that Israel cannot save itself without the help of God.
It is the holy that will rescue and support the mundane.
The religious aspect, which at first seemed to be opposed to secular Zionism, will be recognized as essential for the Jewish people's survival in the land of Israel.
That is, the necessity of this spiritual development will lead to rebellion against spirituality.
In exile.
That is, each individual, of course, was concerned with material life, but the people as a whole had no opportunity to engage with such things.
The desire to build the material life of the people.
It will trample everything else.
It will inevitably bring about a crisis.