He cannot bring himself to kill his old friend, another human.

The Monster cannot bring himself to kill the child, however.

At the end of those years, however, Doctor is unable to bring himself to kill him.

Or maybe despite all he's done, he couldn't bring himself to kill a child.

Dead because he could not bring himself to kill one of the Forsaken.

She had died because he could not bring himself to kill Lanfear.

Earlier, he had not been able to bring himself to kill.

However, he cannot bring himself to kill her because of his love for her.

But I could not quite bring myself to kill him.

"If the president wanted peace, why would she bring police to kill innocent people?"