Here are a couple of related items regarding criticism and being ignorant.
Saw this tweet earlier this week from Michael Hyatt of Thomas Nelson…
http://twitter.com/#!/MichaelHyatt/status/34815673494405120
Then, this happened to me (my words are in green)…
Let no corrupting talk come out of your mouths, but only such as is good for building up, as fits the occasion, that it may give grace to those who hear. (Ephesians 4:29 ESV)