Who said "Death is the only appointment you can't reschedule."?

This quote is attributed to Hannibal Buress.

Death is the only appointment you can't reschedule. - Hannibal Buress

"Death is the only appointment you can't reschedule."

Hannibal Buress Death

"I'm not saying I'm lazy, I'm just saying I've never been the first one to do anything."

"Sometimes you gotta take a step back and appreciate what you got."

"Life's too short to stress about stuff that doesn't matter."

"You miss 100% of the shots you don't take... or something like that."

"Death doesn't scare me anymore."

"Death and I are old friends."

"Welcome to my world."

"Death is just the beginning."