“Unfortunately, our general human tendency is to assume with great certainty that we know far more than we really do. Our primitive brain hates uncertainty and drives us to assume we know the right answer or there is a best known way.” 

The Toyota Way 2nd Edition by Jeffrey K. Liker (McGraw Hill, 2021) p. 10.

Comment from Ray: From a Christian worldview, we should use the word “fallen” instead of “primitive.”