Full Idea
Socrates did not distinguish wisdom from prudence, but judged that the man who recognises and puts into practice what is truly good, and the man who knows and guards against what is disgraceful, are both wise and prudent.
Clarification
'Prudence' is the Greek word 'phronesis', also translated as 'practical reason'
Gist of Idea
For Socrates, wisdom and prudence were the same thing
Source
report of Socrates (reports of career [c.420 BCE]) by Xenophon - Memorabilia of Socrates 3.9.3
Book Reference
Xenophon: 'Conversations of Socrates', ed/tr. Waterfield,R/Tredennick,H. [Penguin 1990], p.161
A Reaction
Compare Aristotle, who separates them, claiming that prudence is essential for moral virtue, but wisdom is pursued at a different level, closer to the gods than to society.