In our culture the trajectory of life seems to be geared toward getting us to a place of expertise, certainty, and all knowing. It may seem unfortunate that certainty is inversely proportional to knowledge (Jung), and that knowing prevents seeing (Huber).
I love learning, crave certainty, and like others have to make peace with the fact that there are few truths I can depend on despite years of study and self-improvement. I know for sure that things change all the time, unpredictably at that, and that everyone eventually dies, who knows when. I know that the mind prefers simplicity to complexity, new life to death, clarity to ambivalence, and siding with a polarity rather than coming to terms with multiple realities.