Most people aren't unsuccessful in life because they don't know what to do. They are unsuccessful because they don't DO what they know how to do. Knowledge is power IF...you use it.
E.U. need to be nurtured and cultivated and protected and fought for because the achievements that we've seen on this continent, in contrast to a divided Europe of the previous century, are ones that remind us of how important it is that we work together.
For unflagging interest and enjoyment, a household of children, if things go reasonably well, certainly all other forms of success and achievement lose their importance by comparison.
Superior technical achievements - used correctly both strategically and tactically - can beat any quantity numerically many times stronger yet technically inferior.