Full Idea
We inevitably feel regret for the many values we could have, but did not, try to realize.
Gist of Idea
We are bound to regret some values we never aspired to
Source
John Kekes (The Human Condition [2010], 04.5)
Book Reference
Kekes,John: 'The Human Condition' [OUP 2010], p.86
A Reaction
He's obviously talking about working harder at our projects.