What is, is; and what ain't, ain't

What is is and what isn't ain't.

— Werner Erhard

“it ain't what it ain't”

— Robert K. Swisher Jr

“this ain't nothin”

— Craig Morgan

“Saying, ain’t doing.”

— John Williams

“To be or not to be, is not the question, if you ain't something then you are nothing.”

— Habeeb Adeokun

I'm not trying to be something I ain't. That's right. I'm me.

— Boozoo Chavis

“Whatever is, is, and whatever is not, is not”

— Mark Helprin

“Don't never sez you ain't, 'cause when you sez you ain't, you is!”

— Pearl Baily

Be what ya is, 'cause if ya be what you ain't, ya ain't what ya is.

— Don Meyer

“Nothing is and isn’t; nothing is and isn’t—nothing itself is, and at the same time, nothing isn’t.”

— Jarod Kintz

It ain't nothin' till I call it.

— Bill Klem

And nothing is, but what is not.

— William Shakespeare

You are what you is, you is what you am, you ain't what you're not. So see what you got?

— Frank Zappa

“What's not there is.”

— Cameron Conaway

What you ain't never understood is that I ain't got nothing, don't own nothing, ain't never really wanted nothing that wasn't for you. There…

— Lorraine Hansberry