Who said "I've got to work with what I have. No excuses."?

This quote is attributed to Mark Watney.

I've got to work with what I have. No excuses. - Mark Watney

"I've got to work with what I have. No excuses."

Mark Watney Work

Character in The Martian

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"I'm going to have to science the shit out of this (paraphrased)"

"Humans are really resilient - we adapt quickly to circumstances"

"The key to survival is solving problems one at a time"

"Humor and maintaining perspective are essential to survival"

"Hard work never killed anybody."

"Work with purpose and integrity."

"Hard work pays off in the end."

"A man's gotta do what a man's gotta do."