The merchants knew perfectly in what manner it enriched themselves.

Luckily he knew perfectly how to contain his power, especially during times like this.

I know perfectly that you would not have committed such a crime.

She knew perfectly that the boy spoke the truth.

This light in hand young Barnacle knew perfectly that it was not.

Every mafioso knows perfectly well, when all is said and done, where his power comes from.

You know perfectly well nothing's going to get this far.

Yet it is hard to know perfectly what I was thinking while those huge, silent moments went past.

Both men knew perfectly well the answer to that question.

Yes, you know perfectly why and for whose sake I come!