Perhaps this is the most secret place in the world.

You see, he had access to my most secret thoughts.

He was the man they turned to with and sometimes for their most secret plans.

It was to be a most secret operation known only to a few.

Others have placed them in the most secret places of the body.

Deep inside her most secret heart, she wanted it all.

She herself once described her art as "a journey to the most secret heart of things."

I have desired to keep the most secret current of my mind apart, and to the last.

For today, they'd learned of their enemy's most secret plans.

It will be like the most secret supper club in town.