"Youth ended, I shall try
My gain or loss thereby;
Leave the fire ashes, what survives is gold:
And I shall weigh the same,
Give life its praise or blame:
Young, all lay in dispute; I shall know, being old."B
B: Rabbi Ben Ezra.
As youth attains its meaning in age, so does the unconscious process of nature come to its meaning in man. And old age,
"Still within this life
Though lifted o'er its strife,"