"Fear is the product of ignorance, and in its initial stages it is not the product of wrong thinking. It is basically instinctual, and is found dominating in the non-mental animal kingdom, as well as in the human kingdom... But in the human, its power is increased potently through the powers of the mind, and through memory of past pain and grievance, and through anticipation of those we foresee, the power of fear is enormously aggravated by the thoughtform we ourselves have built of our own individual fears and phobias. This thoughtform grows in power as we pay attention to it, for "energy follows thought", till we become dominated by it."
January 1, 1970
https://en.wikiquote.org/wiki/Fear