“I didn’t tell you because I knew you’d kill him,” he replied, “And your mother loved him. You were 5 years old. I wanted to take you along with me. She wouldn’t let me.”
Though his words were tinged with the regret they both clearly shared, she couldn’t let it go. Couldn’t let it stand.
“So why didn’t you kill him?” Kate demanded, her voice low and harsh.
“Because I don’t have murder in my heart.”
-LOST (What Kate Did S2E9)