Those who improve with age embrace the power of personal growth and personal achievement and begin to replace youth with wisdom, innocence with understanding, and lack of purpose with self-actualization.
What we call wisdom is the result of all the wisdom of past ages. Our best institutions are like young trees growing upon the roots of the old trunks that have crumbled away.
There is a wisdom in this beyond the rules of physic: a man's own observation what he finds good of and what he finds hurt of is the best physic to preserve health.