Full Idea
Socrates: I'm happy to have a mistaken idea of mine proved wrong.
Gist of Idea
Socrates was pleased if his mistakes were proved wrong
Source
Socrates (reports of career [c.420 BCE]), quoted by Plato - Gorgias 458a
Book Reference
Plato: 'Gorgias', ed/tr. Waterfield,Robin [OUP World's Classics 1994], p.21