I am not the law, but I represent justice so far as my feeble powers go.

Never trust to general impressions, my boy, but concentrate yourself upon details.

The devil’s agents may be of flesh and blood, may they not?

Strange indeed is human nature. Here were these men, to whom murder was familiar, who again and again had struck down the father of the family, some man against whom they had no personal feeling, without one thought of compunction or of compassion for his weeping wife or helpless children, and yet the tender or pathetic in music could move them to tears.

I consider that a man's brain originally is like a little empty attic, and you have to stock it with such furniture as you choose.

My business is that of every other good citizen - to uphold the law.

I consider that a man's brain originally is like a little empty attic, and you have to stock it with such furniture as you choose. [...] It is a mistake to think that that little room has elastic walls and can distend to any extent. [...] It is of the highest importance, therefore, not to have useless facts elbowing out the useful ones.