Parents of teenagers can ask them questions, to get them thinking critically about sex.

WSJ: To Skip the 'Talk' About Sex, Have an Ongoing Dialogue

"People here are always thinking critically about fascism, so people want to drive the technology, not be driven by it, " he said.

CNN: Reporter's notebook: Hackers on holiday

"Russia might lose the most educated, advanced and critically thinking strata of a society", warns Natalya Zorkaya, from the Levada Centre.

BBC: A tale of two Russians

We should keep up our talking--and keep critically thinking all the while.

FORBES: Magazine Article

But in thinking about a problem, it is unproductive to look critically only at policies while ignoring the stated end.

FORBES: Reforming Japan's Socialized Agriculture (2)