They think their true thoughts and feelings will not be accepted by others.

"Not openly, but those with an ear for the king's true thoughts say so."

A girl with a mysterious personality - one never knows her true thoughts.

That was not exactly true, Christian thought; but what else could she say?

Oh, how ignorant she must have been of my true thoughts and feelings!

I would not have spoken such a thing to you, but it is a true thought.

"And I certainly respect the way he's doing it - these are his true thoughts from a deeply personal place."

He didn't know what he meant, only that it was a true thought.

That is the monster of fear you have created by hiding your true thoughts.

I don't think what you guys are saying right now are your true thoughts.