Full Idea
The right thing to do is to turn oneself as far as possible into an instrument for the realisation of what is best 'sub specie aeternitatis'.
Gist of Idea
As far as possible we should become instruments to realise what is best from an eternal point of view
Source
Thomas Nagel (Subjective and Objective [1979], p.204)
Book Reference
Nagel,Thomas: 'Mortal Questions' [CUP 1981], p.204