This good read book enables me to iron out my most overwhelming to-do-list for the day. It helps me direct my focal point of view to One Thing at A Time, not multiple, but just One Thing at a time. That Purpose, Priority (not the plural form) leads to Productivity. I can not do all things at one time to get an excellent output. Squeezing out the best in me, I must do my One Thing now, and that is to give credit to the good authors of this life changing book I have read. Thank you for producing this incredible book.