The universe exists just so, by itself. Its inherent self-organizing property, capable of forming organisms and intellect, does not mean that it has a predetermined purpose. This causeless and purposeless property and without it, intelligent beings would not have emerged, asking questions.
Life is an exciting round-the-world journey through oceans, forests, and deserts. Incredible emotional rewards await you, but only if you dare to start this journey.
For people's spirituality to be productive, the very concept of "spirituality" must meet corresponding requirements. For this, it should not "lag behind" the discoveries and facts of the natural sciences and "develop faster" with the aim of acquiring a rational basis and richer content that motivates one to self-realization.
To colonize habitable exoplanets, humanity will need not just one millennium. There is time for this, as planet Earth, with careful treatment of nature, will remain habitable for tens of millions of years. But for this, what is primarily important is the fullness of love for life and dreams on planet Earth.
The modern world will significantly approach solidarity when "complete well-being and flourishing of humanity" are sincerely recognized as the highest ideal by every nation.
It's striking and deeply alerting that some authoritative forecasts allow for the emergence of self-aware artificial intelligence already in our century.