The fact is that when you are in a clean, clear state of mind you will be free to pay full attention to what you are doing and you will therefore naturally do it well. Problems come when you are not living in a natural state of mind. Then, no matter what you are doing your mind will be on something else.

Introduction to Tantra: The Transformation of Desire (ed. Simon and Schuster, 2005) - ISBN: 9780861719976