Full Idea
Therre's no death less troublesome than the one which accompanies old age on its journey to it natural end. Such a death comes with more pleasure than distress.
Gist of Idea
Death in old age is a natural end, untroubled, and more pleasure than distress
Source
Plato (Timaeus [c.362 BCE], 81e)
Book Reference
Plato: 'Timaeus and Critias', ed/tr. Waterfield,Robin [OUP 2008], p.84
A Reaction
You have to be more in tune with nature than we are to believe this. We only really think this way about extreme old age. Before that we are usually hoping for more. Quite a lot of people seem to welcome death in old age.