Who said "I don't think I can handle much more of this."?

This quote is attributed to Morty Smith.

I don't think I can handle much more of this. - Morty Smith

"I don't think I can handle much more of this."

Morty Smith Fear

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

"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!"

"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."