Liu's novel Time Migration mentions what the purpose of the universe is, and it does introduce meditation.

Look at an article by Lao Liu called "Stairs of Eternal Life".

In 500 years, mankind will embark on the journey of conquering the universe.

There will be countless humans flying into space.

The significance of us as a pile of things just made up of atoms in the universe is to exist forever and conquer all the unknowns.

Moreover, the more you know, the more you don't know. This road has no end.