The sense of anxiety and guilt doesn't come from having too much to do; it's the automatic result of breaking agreements with yourself.
David AllenYour brain has an in-built mechanism for finding patterns you've programmed because of where you've put your attention. Solutions, innovations, and success come not from greater intelligence or creativity but from what we notice because of where we point those attributes
David AllenThe problem is, is when your focus is created by a crisis, then the frontal lobe shuts down essentially, the frontal cortex which is your intuitive intelligence. So you get very clever and very stupid in a crisis. Also, you pump adrenalin into your body from what you - physiologically you'll crash.
David Allen