Man has boyhood, adolescence, youth, middle age and senescence, as stages of growth; there are also corresponding stages in the growth of wisdom in him.

Old age is the fourth stage. By the time one reaches this stage of his journey, he must have discovered that the joys available in this world are trivial and fleeting. He must be equipped with the higher knowledge of spiritual joy, available through delving into the inner spring of Bliss. Through his experiences, his heart must have softened and be filled with compassion. He has to be engrossed in promoting the progress of all beings without distinction. And he must be eager to share with others the knowledge he has accumulated and the benefit of his experiences.

The three ages of man: youth, middle age and 'my word you do look well'.

I'm struggling at the end to get out of the valley of hectoring youth, journalistic middle age, imposture, moneymaking, public relations, bad writing, mental confusion.

Our fMRI scanning reveals that middle age represents the transition between the patterns observed in youth to that found in old age. The see-saw imbalance in the two frontal lobe areas is not as significant as in older adults, but the functional changes are detectable by middle age.

There are three periods in life: youth, middle age and "how well you look