In my view, the realistic goal to be attained through spiritual practice is not some permanent state of enlightenment that admits of no further efforts but a capacity to be free in this moment, in the midst of whatever is happening.
Waking Up: A Guide to Spirituality Without Religion
It is a 2014 book by Sam Harris. Harris discusses a wide range of topics including secular spirituality, the illusion of the self, psychedelics, and meditation. He attempts to show that a certain form of spirituality is integral to understanding the nature of the mind.