Keep in mind that you are always saying "no" to something. If it isn't to the apparent and urgent things in your life, it is probably to the most fundamental, highly important things.
Stephen CoveyTo maintain the P/PC Balance, the balance between the golden egg (production) and the health and welfare of the goose (production capability) is often a difficult judgment call. But I suggest it is the very essence of effectiveness.
Stephen CoveyWant balance in your life? Then sure, get your own act together, but don't forget four powerful disciplines of execution in your team and organization.
Stephen Covey