Who said "Perseverance is just refusing to accept that it's over."?

This quote is attributed to Garry Shandling.

Perseverance is just refusing to accept that it's over. - Garry Shandling

"Perseverance is just refusing to accept that it's over."

Garry Shandling Perseverance

Stand-up Comedian American 1949–2016

"I'm trying to elevate small talk to medium talk."

"We're all just trying to get through the day without thinking too much about dying."

"I don't care what people think. Well, I do, but I don't care what I care about it."

"Life is like high school with money."

"Perseverance is the key to success."

"Don't give up on what you believe in."

"I've been through worse."

"You learn to live with the pain."