Who said "Oh geez, oh man, I don't know if I can do this!"?

This quote is attributed to Morty Smith.

Oh geez, oh man, I don't know if I can do this! - Morty Smith

"Oh geez, oh man, I don't know if I can do this!"

Morty Smith Fear

"Why would you do that? That's like, the worst possible thing you could have done."

"I'm just a kid, Rick. I don't understand half of what you say."

"You know what, screw you, Rick! I'm going home!"

"This is insane. We're going to die out here."

"Face your fears with courage."

"You can't live your life in fear."

"Snakes. Why'd it have to be snakes?"

"Fear is just another obstacle to overcome."