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.
Anybody can sympathise with all the sufferings of the pal, nevertheless it involves an extremely great mother nature to sympathise by using a friend's achievement.
We have either to progress or to degenerate. Our ancestors did great things in the past, but we have to grow into a fuller life and march beyond even their great achievements.
Greed for enlightenment and immortality is no different than greed for material wealth. It is self-centered and dualistic, and thus an obstacle to true attainment. Therefore these states are never achieved by those who covet them; rather, they are the reward of the virtuous.