John Barrymore

A man is not old until regrets take the place of  dreams. 

Advice for the elder(old)

The natural reaction for fear is fight, flight or freez. But evolving in to a learner who adapts is your best means of swimming and not drowning. 

Clever or Wise.

You can tell whether a man is clever by his answers. However you can tell a man is wise by his questions- Egyptian writer and Nobel laureate  Naguib Mahfouz.