This was the man who had provided the secret motive for Besi's inspection of her domain.

The greater part of my secret motives have not been so reasonable.

He had a secret motive which she must respect.

I fear that such was the secret motive of my prying.

Now he is working with Don on the robbery but has secret motives for revenge.

We have a lot of secret motives driving people.

But whatever might be his secret motives, such was his dream of colonization.

At his side is a mysterious wizard named Julius, who has secret motives.

His interest in the information about Lownden could be the result of a secret motive.

As to the first: lack of information about the secret motives of a man now dead works two ways.