Quote 4
"No, sir: I had a delicacy," was the reply. "I feel very strongly about putting questions; it partakes too much of the style of the day of judgment. 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; and presently some bland old bird (the last you would have thought of) is knocked on the head in his own back garden and the family have to change their name. No sir, I make it a rule of mine: the more it looks like Queer Street, the less I ask." (1.14)
Mr. Enfield differs from Mr. Utterson in terms of their respective curiosity.
Quote 5
"Well, sir, the two ran into one another naturally enough at the corner; and then came the horrible part of the thing; for the man trampled calmly over the child's body and left her screaming on the ground." (1.8)
Mr. Hyde commits violence against innocent children without batting an eye.
Quote 6
"I never saw a circle of such hateful faces; and there was the man in the middle, with a kind of black sneering coolness—frightened to, I could see that—but carrying it off, sir, really like Satan." (1.8)
Before we even know Hyde’s name, he is likened to Satan.