Full Idea
The striving for truth drives us always to advance from the sense to the thing meant (the reference).
Gist of Idea
We are driven from sense to reference by our desire for truth
Source
Gottlob Frege (On Sense and Reference [1892], p.33)
Book Reference
Frege,Gottlob: 'Translations from the Writings of Gottlob Frege', ed/tr. Geach,P/Black,M [Blackwell 1980], p.63
A Reaction
As in, we want to know the reference of 'the person who shot Kennedy'. I always perk up if truth is mentioned in a discussion of language, because it reminds us of the point of the whole thing. In 'Is he the best man?' I have the reference, not the truth.