People who refrain from speaking their heart really really SHINE in Japanese society.
to be cool-headed, prudent, or discreet when it comes to something potentially disruptive. Could also be translated as 'refrain', like, 'refrain from smoking or talking loudly.' 'Don't say fuck. Watch your lanauge when you talk to nuns.'
|慎||refrain / be prudent||TRUTH||実|
Refrain from speaking the TRUTH to a person nostalgic for UFOs. Actually the space invader days were pretty bad but why argue?