Spiritual teachings have been used as a way of securing ourselves, gaining a higher level of stability in terms of ego. This is our inevitable starting point. We cannot ignore this or push it away. We must start with the mistakes and that is always a problem. There is the fear and need for security that makes acceptance of spontaneity extremely difficult. As it says in the Dhammapada, "He who knows he's a fool is a wise man indeed."
From the Introduction to Glimpses of Abhidharma, page 7