inmost heart

Only later does Lionel suspect that “revealing one’s inmost heart to Satan may not always be the wisest course of action.”

It is the one thought that is always enshrined in his inmost heart, and which never dies out.

And, in her inmost heart, she did not like the lady.

And even then in his inmost heart he hardly knew that he was going to her.

If I were a man," she said to herself, but in a very secret shadowy corner of her inmost heart, and in a wordless whisper, "if I were a man, I would go out this minute and find a sweetheart.