We've the knowledge of good and evil between us.

The knowledge of good is all yours: you see nothing but the good that men have; you see it--and, I dare say, truly--where I can't.
The darker knowledge is mine.' Puddock, who thought he thoroughly understood _King John, Shylock_, and _Richard III._, was a good deal taken aback by Devereux's estimate of his penetration.
'Well, I don't think you know me, Devereux,' resumed he with a thoughtful lisp.

'I'm much mistaken, or I could sound the depths of a villain's soul as well as most men.' 'And if you did you'd find it full of noble qualities,' said Dick Devereux.

'What book is that ?' 'The tragical history of Doctor Faustus,' answered Puddock.

'I left it here more than a week ago.