The acquirement of spiritual wisdom does not necessarily prevent us from making worldly mistakes; but because it develops the qualities that will prevent them, and because it takes to heart the lessons of experience, humbly and receptively, it does reduce the frequency of those mistakes.
I experienced in myself a curious phenomenon: I was listening with the heart. And if I just listened, through the heart, just listened, and no thinking was involved in it, then the heart sang with the violins, it was the trumpet call, it was the woodwinds, and I was the music.