Methamphetamine :

Formula: C10H15N

Chemistry is, well technically, chemistry is the study of matter. But I prefer to see it as the study of change

You clearly don’t know who you’re talking to, so let me clue you in. I am not in danger, Skyler. I am the danger. A guy opens his door and gets shot, and you think that of me? No! I am the one who knocks

“I did it for me. I liked it. I was good at it. And, I was really…I was alive.”

I watched Jane die. I was there. And I watched her die. I watched her overdose and choke to death. I could have saved her. But I didn’t

I have spent my whole life scared, frightened of things that could happen, might happen, might not happen, 50 years I spent like that. Finding myself awake at three in the morning. But you know what? Ever since my diagnosis, I sleep just fine. What I came to realize is that fear, that’s the worst of it. That’s the real enemy. So, get up, get out in the real world and you kick that bastard as hard you can right in the teeth

“My name is Walter Hartwell White. I live at 308 Negra Aroya Lane, Albuquerque, New Mexico, 87104. To all law enforcement entities, this is not an admission of guilt. I am speaking to my family now. Skyler, you are the love of my life. I hope you know that. Walter Jr., you’re my big man. There are going to be some things that you’ll come to learn about me in the next few days. But just know that no matter how it may look, I only had you in my heart. Goodbye.”