The point was never to illustrate that we can’t know anything, but more so, it was to humbly suggest that there are limitations to what the human mind can comprehend and understand, and we have to learn to operate in this complex world in spite of that fact without getting tangled away in our minds.
What Does It Mean to be Spiritual? A Rational Answer.
Zat Rana

Becoming humble about the knowledge we gather by understanding its infinite implications and perspectives. Such a brilliant point Zat.