The worst part of having a mental illness is that people expect you to behave as if you don't.

I haven't been happy one minute of my entire fucking life.

- The Joker (Arthur Fleck)

As you know, madness is like gravity. All it takes is a little push.

- The Joker (Arthur Fleck)

If someone hates you for no reason, give that jerk a reason.

- The Joker (Arthur Fleck)

I just hope my death makes more cents than my life.

- The Joker (Arthur Fleck)

Is it just me, or is it getting crazier out there?

- The Joker (Arthur Fleck)

Comedy is subjective, Murray, isn't that what they say? All of you,this system that we know so much, you decide what's right or wrong, the same way that you decide what's funny or not.

- The Joker (Arthur Fleck)

What do you get when you cross a mentally ill loner with a society that abandons him and treats him like trash? You get what you fuckin’ deserve!

- The Joker (Arthur Fleck)

For my whole life, I didn’t know if I even really existed. But I do, and people are starting to notice.

- The Joker (Arthur Fleck)

I used to think that my life was a tragedy, but now I realize, it's a comedy.

- The Joker (Arthur Fleck)

Nobody panics when things go 'according to plan'. Even if the plan is horrifying!

- The Joker (Arthur Fleck)

You see, in their last moments people show you who they really are.

- The Joker (Arthur Fleck)

I believe whatever doesn't kill you simply makes you stranger

- The Joker (Arthur Fleck)