What exactly does tell people the truth but never give them your true thoughts mean?

Tell them half truths Or don't give it all away..What exactly does tell people the truth but never give them your true thoughts mean?
When people ask for info. tell them the truth. Don't reveal your emotional/controversial thoughts. In other words learn to be objective. If you can't, then, say nothing if you have nothing good to say.What exactly does tell people the truth but never give them your true thoughts mean?
It means that one must be diplomatic. Diplomacy is saying, ';When I look at you, time stands still';, when what you mean is, ';Your face could stop a clock';.
i HAVE NO IDEA. i TELL YOU LIKE IT IS. IT WORKS FOR ME. AND i DO NOT HAVE TO KEEP TRACK OF MY LIES.

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