Full Idea
To be constantly asking 'what is the use of it?' is unbecoming to those of great soul, and unworthy of free men.
Gist of Idea
Free and great-souled men do not keep asking "what is the use of it?"
Source
Aristotle (Politics [c.332 BCE], 1338b01)
Book Reference
Aristotle: 'Politics', ed/tr. Sinclair,T.A. /Saunders,T. [Penguin 1992], p.457
A Reaction
Love this one! It is not just philosophers who keep hearing this question. Pure mathematics, history, literature, even carpentry if you are not going to be a carpenter.