It is one thing to mortify curiosity, another to conquer it.

All human beings... are commingled out of good and evil.

I let my brother go to the devil in his own way.

You start a question, and it's like starting a stone. You sit quietly on the top of a hill; and away the stone goes, starting others.

He began to go wrong, wrong in mind; and though of course I continue to take an interest in him for old sake’s sake, as they say, I see and I have seen devilish little of the man.

The moment I choose, I can be rid of Mr Hyde.

I incline to Cain's heresy,' he used to say quaintly: 'I let my brother go to the devil in his own way.'

There comes an end to all things; the most capacious measure is filled at last; and this brief condescension to my evil finally destroyed the balance of my soul.

I was the first that could plod in the public eye with a load of genial respectability, and in a moment, like a schoolboy, strip off these lendings and spring headlong into the sea of liberty.

The Strange Case of Dr. Jekyll and Mr. Hyde