The primary thing when you take a sword in your hands is your intention to cut the enemy, whatever the means. Whenever you parry, hit, spring, strike or touch the enemy’s cutting sword, you must cut the enemy in the same movement. It is essential to attain this. If you think only of hitting, springing, striking or touching the enemy, you will not be able actually to cut him.
The McNamara fallacy, named for Robert McNamara, the US Secretary of Defense from 1961 to 1968, involves making a decision based solely on quantitative observations (or metrics) and ignoring all others. The reason given is often that these other observations cannot be proven.
The fallacy refers to McNamara's belief as to what led the United States to defeat in the Vietnam War—specifically, his quantification of success in the war (e.g., in terms of enemy body count), ignoring other variables.
The central goal of Slow Productivity is to keep an individual worker’s volume at a sustainable level. A natural fear is that by reducing the amount of work each employee tackles at any given time, it might reduce the total amount of work an organization is able to complete, making it less competitive. This fear is unfounded. As argued, when an individual’s work volume increases, so does the accompanying overhead and stress, reducing both the time remaining to actually execute the tasks and the quality of the results. If you instead enable the individual to work more sequentially, focussing on a small number of things at a time, waiting until she is done before bringing on new obligations, the rate at which she completes tasks might actually increase.