Journey as journey
I probably shouldn't speak for Nasir, but I'll give my interpretation:
Truth with a capital "T" is different from "truth". Truth is the ultimate goal of any spiritual being, but whilst one is living in the material realm, one can only catch glimpses of ultimate Truth. One must act in the material realm where we find ourselves in this life, and whenever we act in this realm things will not be perfect as Truth is. We have to find meaning and strive to limit suffering (in Truth there is no suffering but in the material realm which isn't perfect suffering is unavoidable), to become more spirit than matter (Truth is Spirit with a capital "S", hence Nasir's use of the term "nonduality"), etc.
Logic and empiricism are good tools to understand the material realm; but love, peace, joy, empathy, understanding, and patience are needed to understand Truth.